# Largest US Stock Movers — October 9, 2026
**Query:** top movers today
**Data as of:** 2026-10-09

Single-session extremes from the most recent trading day (October 9, 2026). Gainers are led by clinical-stage biotech and health care names plus a tower-REIT bid, while the losers list is dominated by US wireless carriers re-rated on spectrum news, with REITs, materials and cyclicals along for the ride.

### Top Gainers — October 9, 2026

| Symbol | Security Name | Sector | Industry | 1D Return | 1M Return | 6M Return | Market Cap | Relative Volume | Momentum Potential | P/E (TTM) | Days Since Last Earnings | % From 52-Week High | Comments |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| KLRA | Kailera Therapeutics, Inc. - Common stock | Health Care | Biotechnology | 16.10% | -22.13% | — | 1.505e+09 | 2.3703 | — | — | 57 | -55.35% | Recent IPO with thin trading history; the rebound follows a sharp post-listing derating and is likely positioning flow rather than a fundamental change. Expect wider swings than the biotech cohort until lockups clear. |
| FSLY | Fastly, Inc. | Information Technology | Software - Application | 15.86% | 29.02% | 27.00% | 4.667e+09 | 2.2846 | 82.7 | — | 64 | -12.54% | Edge-compute/CDN turnaround story regaining credibility as security and network demand inflects. Still unprofitable, so the re-rating hinges on sustained large-deal momentum rather than multiple expansion. |
| NVAX | Novavax, Inc. - Common Stock | Health Care | Biotechnology | 15.80% | 37.10% | 57.02% | 2.103e+09 | 3.3997 | 88.9 | 4.94 | 64 | 0.00% | Vaccine maker with a history of binary clinical headlines; moves of this size typically track trial data, regulatory read-throughs or patent/legal developments. Balance-sheet survival narrative remains the key swing factor. |
| CCI | Crown Castle Inc. | Real Estate | REIT - Specialty | 15.60% | 9.38% | -5.27% | 3.48e+10 | 3.7831 | 39.8 | 32.51 | 78 | -19.45% | Tower REITs were re-priced higher as the wireless complex repriced spectrum, shifting the demand debate toward whether terrestrial infrastructure is more or less durable. Also a rate-sensitive dividend name, so lower yields amplify the move. |
| DNA | Ginkgo Bioworks Holdings, Inc. Class A Common Stock | Health Care | Biotechnology | 14.64% | 91.74% | 101.55% | 8.754e+08 | 2.3495 | 59.1 | — | 64 | -17.88% | Speculative synthetic-biology platform with heavy cash burn; gains like this are usually liquidity-driven moves in a high-short-interest name rather than earnings-based. |
| MRNA | Moderna, Inc. - Common Stock | Health Care | Biotechnology | 14.21% | 64.69% | 341.52% | 8.983e+10 | 1.5096 | 86.9 | — | 70 | 0.00% | Recovering sharply from a deep drawdown as the biotech funding window reopens and pipeline catalysts re-enter the story. High-volatility, headline-sensitive — sizing matters more than direction. |
| ABSI | Absci Corporation - Common Stock | Health Care | Biotechnology | 13.65% | 23.30% | 240.94% | 1.744e+09 | 1.2524 | 68.3 | — | 58 | -12.56% | AI-driven drug discovery name riding the same risk-on biotech bid; precommercial economics mean the stock trades on partnerships and platform validation, not revenue. |
| PICS | PicS N.V. | Information Technology | Software - Infrastructure | 13.52% | 29.40% | 14.00% | 1.762e+09 | 1.9895 | — | — | 45 | -28.42% | Small-cap infrastructure software with thin coverage; move looks like liquidity-sensitive repricing, so verify any news before extrapolating. |
| HUM | Humana Inc. | Health Care | Healthcare Plans | 11.56% | 7.77% | 125.29% | 5.186e+10 | 3.8415 | 76 | 40.82 | 72 | 0.00% | Medicare Advantage economics have been improving on star-rating and reimbursement tailwinds, and managed-care is being re-rated as policy risk recedes. Guidance risk into its upcoming report is the main offset. |
| PRME | Prime Medicine, Inc. - Common Stock | Health Care | Biotechnology | 11.45% | 19.10% | 16.33% | 7.237e+08 | 2.3804 | 10.9 | — | 64 | -37.36% | Gene-editing platform still early in clinical development; sharp moves here reflect financing and data expectations, and dilution risk remains a structural overhang. |
| CCCC | C4 Therapeutics, Inc. - Common Stock | Health Care | Biotechnology | 10.88% | -7.06% | 24.65% | 3.888e+08 | 1.0831 | — | — | 59 | -32.33% | Small-cap targeted-degradation biotech bouncing off a base — speculative money rotating into high-beta, low-float research names. |
| AUGO | Aura Minerals Inc. | Materials | Gold | 10.63% | 6.10% | 4.81% | 7.651e+09 | 1.3013 | — | — | 64 | -16.38% | Gold producer with exposure to Brazil and Latin America; the bid is partly company-specific (production/asset news) and partly a safe-haven rotation that the broader miners group has not shared. |
| ATEX | Anterix Inc. - Common Stock | Communication Services | Telecom Services | 10.58% | 2.10% | 135.53% | 1.658e+09 | 1.5593 | 99.2 | 24.22 | 58 | -21.88% | Spectrum-holding utility-like name that benefits directly from the same scarcity narrative that hurt the carriers. Its value case rests on monetizing 900 MHz spectrum, so any deal talk is a live catalyst. |
| RXRX | Recursion Pharmaceuticals, Inc. - Class A Common Stock | Health Care | Biotechnology | 10.38% | 37.97% | 32.93% | 2.338e+09 | 1.7231 | 18.1 | — | 65 | -35.79% | AI-plus-biotech platform with retail attention; it trades as a high-beta expression of both the biotech funding thaw and the machine-learning theme. |
| HIMS | Hims & Hers Health, Inc. | Health Care | Drug Manufacturers - Specialty & Generic | 10.19% | 12.68% | 59.14% | 7.214e+09 | 1.314 | 74.9 | 60.63 | 59 | -50.73% | Direct-to-consumer health platform where competitive and regulatory headlines around compounded GLP-1s have been the dominant driver. Growth is real but the multiple depends on regulatory durability. |
| SCTX | Scribe Therapeutics Inc. | Health Care | Biotechnology | 10.09% | -28.16% | — | 4.008e+08 | 1.1028 | — | — | 36 | -43.17% | Gene-editing startup rebounding from a steep drawdown; moves of this magnitude in a sub-$1B name usually reflect low-float dynamics more than revised fundamentals. |
| IOVA | Iovance Biotherapeutics, Inc. - Common Stock | Health Care | Biotechnology | 9.84% | 79.61% | 295.14% | 6.622e+09 | 0.9706 | 68.5 | — | 64 | -1.35% | Cell-therapy commercial-stage name with a strong recent run; pipeline expansion and reimbursement traction are what keep the momentum trade alive. |
| PCVX | Vaxcyte, Inc. - Common Stock | Health Care | Biotechnology | 9.79% | 21.19% | 17.25% | 1.062e+10 | 2.4125 | 64.1 | — | 64 | -3.31% | Pneumococcal vaccine developer anticipating key trial readouts — event-driven biotech where the binary skew makes it a candidate for outsized swings either way. |
| SEZL | Sezzle Inc. | Financials | Credit Services | 9.74% | 8.64% | 115.46% | 4.332e+09 | 1.1117 | 97.9 | 28.21 | 63 | -31.77% | Consumer credit/BNPL platform with very high momentum and volatility scores; results hinge on credit quality through the consumer cycle, making it a levered bet on spending resilience. |
| HPK | HighPeak Energy, Inc. - Common Stock | Energy | Oil & Gas E&P | 9.39% | 11.31% | 50.63% | 1.208e+09 | 1.4968 | 60 | 68.21 | 59 | 0.00% | Small E&P benefiting from firm crude and favorable refining/E&P spreads; low float and high beta amplify commodity-driven moves. |
| AMT | American Tower Corporation (REI | Real Estate | REIT - Specialty | 9.30% | 6.49% | 4.76% | 8.492e+10 | 3.0822 | 41.7 | 29.39 | 73 | -6.12% | The other major tower REIT caught the same wireless-spectrum re-rating as its peer — the market read the transaction as a validation of tower demand rather than a threat. |
| SECZ | Securitize Corp. | Information Technology | Software - Application | 9.16% | 71.89% | — | 2.256e+09 | 1.8777 | — | — | 57 | -16.90% | Tokenization/blockchain-infrastructure exposure with a recent listing; the move fits a broader crypto-adjacent risk-on bid rather than company fundamentals. |
| PLNT | Planet Fitness, Inc. | Consumer Discretionary | Leisure | 8.97% | -4.00% | -31.85% | 3.639e+09 | 1.3638 | 9.3 | 16.32 | 64 | -57.15% | Franchise-heavy gym operator bouncing from deeply oversold levels; the structural debate is membership growth versus new-unit economics, and the report cadence makes it headline-driven. |
| BRUN | Boost Run Inc. | Information Technology | Software - Infrastructure | 8.93% | -19.93% | 15.82% | 1.048e+09 | 1.2304 | 24.9 | — | 51 | -66.38% | Micro-cap infrastructure software; likely a low-float squeeze after a long decline. Treat the move as liquidity, not signal. |
| DOCN | DigitalOcean Holdings, Inc. | Information Technology | Software - Infrastructure | 8.81% | 2.88% | 78.36% | 1.585e+10 | 0.6596 | 64.4 | 61.28 | 66 | -25.63% | Cloud developer platform that has become increasingly AI-inference-exposed; improving operating discipline underpins the re-rating, but competitive pressure from hyperscalers is the persistent risk. |

### Top Losers — October 9, 2026

| Symbol | Security Name | Sector | Industry | 1D Return | 1M Return | 6M Return | Market Cap | Relative Volume | Momentum Potential | P/E (TTM) | Days Since Last Earnings | % From 52-Week High | Comments |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| CDNL | Cardinal Infrastructure Group I | Industrials | Engineering & Construction | -15.72% | -38.08% | -53.71% | 4.527e+08 | 4.8135 | 12.6 | 23.47 | 59 | -77.61% | Small engineering & construction name in a sustained downtrend; project-award timing and backlog conversion drive the story, and the sell-off suggests an order or margin disappointment. |
| GLIBK | Liberty Capital Corporation - Series C GCI Group Common Stock | Communication Services | Telecom Services | -15.01% | -22.01% | -44.34% | 8.001e+08 | 1.8 | 1.2 | — | — | -49.93% | Tracking-stock structure and thin liquidity make this one prone to outsized moves that may not reflect underlying asset values. |
| ALHC | Alignment Healthcare, Inc. | Health Care | Healthcare Plans | -13.38% | -40.87% | -64.71% | 1.565e+09 | 3.1666 | 17.4 | 39.71 | 70 | -69.28% | Medicare Advantage pure-play being sold hard while the larger MCOs rally — this is exactly the wrong-end-of-the-pool dynamic where the market rewards scale and reserves and punishes sub-scale risk. |
| TMUS | T-Mobile US, Inc. | Communication Services | Telecom Services | -13.27% | -16.13% | -23.23% | 1.594e+11 | 3.7948 | 11.2 | 15.54 | 78 | -35.43% | The carrier most exposed to the spectrum-deal narrative: the market is questioning whether satellite/direct-to-device capacity erodes the value of massive terrestrial capex. A genuine strategy re-rating, not just a sympathy move. |
| PKE | Park Aerospace Corp. | Industrials | Aerospace & Defense | -11.06% | -13.74% | -14.70% | 5.738e+08 | 3.4025 | 89 | 41.87 | 0 | -31.00% | Small aerospace composites supplier with heavy defense-program concentration; single-contract news or program timing can move the stock violently. |
| T | AT&T Inc. | Communication Services | Telecom Services | -10.82% | -13.19% | -15.05% | 1.52e+11 | 3.091 | 14.7 | 7.32 | 79 | -23.78% | Wireline-heavy carrier with a levered balance sheet and a fiber build to fund — the same capital-allocation anxiety hitting the whole wireless complex lands hardest on the highest-yielding incumbents. |
| CCOI | Cogent Communications Holdings, Inc. - Common Stock | Communication Services | Telecom Services | -10.67% | -6.05% | -57.82% | 4.374e+08 | 0.7219 | 1.4 | — | 64 | -81.06% | The most structurally impaired of the telecom complex: heavy leverage, enterprise/wholesale pressure, and a dividend the market doubts. Moves here are credit-sentiment-driven. |
| ASTS | AST SpaceMobile, Inc. - Class A Common Stock | Information Technology | Communication Equipment | -10.48% | -14.93% | -46.30% | 1.983e+10 | 4.3844 | 10.1 | — | 59 | -61.71% | Satellite-to-phone pure-play already in a downtrend — ironic loser of the satellite-bull case because the trade is being financed (valuation, dilution, timeline) rather than validated. |
| VZ | Verizon Communications Inc. | Communication Services | Telecom Services | -10.14% | -16.65% | -7.99% | 1.73e+11 | 4.1454 | 36.6 | 10.85 | 77 | -19.05% | Wireless incumbent with the strongest dividend identity; the de-rating reflects a market now questioning long-tail spectrum and tower economics rather than near-term earnings. |
| SHEN | Shenandoah Telecommunications Co - Common Stock | Communication Services | Telecom Services | -9.68% | -13.15% | -31.27% | 5.761e+08 | 1.4454 | 10.7 | — | 72 | -39.15% | Regional wireline with a rural fiber build and limited scale — funding and competitive concerns compound in a session that punished telecom broadly. |
| TIGO | Millicom International Cellular | Communication Services | Telecom Services | -9.63% | -16.93% | -2.69% | 1.333e+10 | 1.2931 | 58.5 | 19.87 | 64 | -23.80% | Latin American mobile operator that had been a strong momentum name; the pullback looks like de-risking of a crowded, high-volatility position in an otherwise strong trend. |
| IDR | Idaho Strategic Resources, Inc. | Materials | Gold | -9.58% | -22.23% | -35.79% | 3.765e+08 | 4.7111 | 72.8 | 16.29 | 57 | -54.82% | Junior gold miner that had run hard; the drawdown is the reverse of the safe-haven bid and a reminder that low-float miners trade on flows, not ounces. |
| AVNT | Avient Corporation | Materials | Specialty Chemicals | -7.78% | -8.82% | 0.31% | 3.466e+09 | 3.3241 | 55.9 | 20.43 | 64 | -18.45% | Specialty chemicals with broad industrial-end exposure; the move fits the market's continued refusal to pay for economic cyclicality. |
| SPRY | ARS Pharmaceuticals, Inc. - Common Stock | Health Care | Biotechnology | -7.24% | -16.40% | -47.45% | 4.207e+08 | 0.6722 | 4.5 | — | 56 | -67.61% | Commercial-stage allergy/severe-anaphylaxis player where launch execution and reimbursement are the swing factors; small-cap biotech risk is being repriced even as the group rallies. |
| AGNT | AGNT, Inc. | Real Estate | Real Estate Services | -7.23% | -0.80% | -35.71% | 6.217e+08 | 0.8384 | 4.9 | — | 66 | -68.47% | Nano-cap real-estate services name in a persistent downtrend; the move is likely liquidity and financing related rather than operating news. |
| UNIT | Uniti Group Inc. - Common Stock | Real Estate | REIT - Specialty | -7.16% | -30.40% | -36.62% | 2.163e+09 | 2.4625 | 23.1 | 1.41 | 71 | -46.12% | Levered fiber/REIT hybrid where the market is again focused on whether the capital structure can tolerate its buildout — highly sensitive to credit spreads and telecom sentiment. |
| BKD | Brookdale Senior Living Inc. | Health Care | Medical Care Facilities | -7.07% | -17.05% | -25.31% | 2.417e+09 | 3.719 | 3.3 | — | 59 | -39.65% | Senior-living operator that has been in a downtrend; labor costs and occupancy-driven margin recovery are what the market wants to see before re-engaging. |
| RSI | Rush Street Interactive, Inc. | Consumer Discretionary | Gambling | -6.99% | -28.30% | -10.38% | 4.616e+09 | 0.8985 | 43.2 | 60.97 | 71 | -45.25% | Online-gaming operator in a group that has been the worst-performing consumer theme — competitive customer-acquisition costs are the structural issue. |
| HPQ | HP Inc. | Information Technology | Computer Hardware | -6.91% | -7.73% | 69.03% | 2.723e+10 | 1.1031 | 48 | 11.19 | 43 | -14.88% | The pullback hit after a huge run tied to AI-PC and hardware enthusiasm, but core printing/PC demand remains mature — this is a valuation give-back, not a broken thesis. |
| LILAK | Liberty Latin America Ltd. | Communication Services | Telecom Services | -6.88% | -6.45% | 44.36% | 1.665e+09 | 1.2557 | 70.5 | — | 64 | -8.35% | Latin American cable/mobile operator; cable-leverage and currency concerns drag it even when the operating trend is intact. |
| GRRR | Gorilla Technology Group Inc. | Information Technology | Software - Infrastructure | -6.78% | -19.11% | 1.46% | 3.062e+08 | 2.4441 | 21 | — | 45 | -48.90% | Micro-cap AI story stock with a history of governance and disclosure concerns — volatility here is a feature, not a bug, and position sizing should reflect that. |
| PARR | Par Pacific Holdings, Inc. Comm | Energy | Oil & Gas Refining & Marketing | -6.57% | -2.03% | 30.46% | 4.103e+09 | 1.0232 | 86.8 | 4.81 | 65 | -6.57% | Small refiner with strong momentum that sold off despite firm crude; refining margins and Pacific-basin spreads drive earnings, and the group remains a funding source on risk-off days. |
| FMC | FMC Corporation | Materials | Agricultural Inputs | -6.39% | -30.26% | -51.39% | 1.299e+09 | 1.3593 | 2.1 | — | 71 | -72.74% | Agricultural chemicals name in a deep downtrend as generic competition resets pricing; the dividend is now a question rather than a support. |
| FRMI | Fermi Inc. | Real Estate | REIT - Specialty | -6.28% | -36.36% | -29.57% | 2.2e+09 | 0.7672 | 24.5 | — | — | -88.57% | Newly public REIT with essentially no operating history and no fundamentals coverage — price discovery is chaotic and the signal quality is low. |
| KREF | KKR Real Estate Finance Trust I | Real Estate | REIT - Mortgage | -6.28% | -14.82% | -3.27% | 3.497e+08 | 0.7737 | 27.5 | — | 79 | -33.22% | Commercial real-estate credit REIT where the move is a direct function of rate and office-credit sentiment; the market is not willing to fund this exposure today. |

### Summary

## One session, two very different kinds of volatility

**Health Care went vertical at the top of the board.** Seven of the twenty-five largest gainers are clinical- or platform-stage biotechs (Kailera, Novavax, Ginkgo, Moderna, Absci, Prime Medicine, C4, Recursion, Scribe, Iovance, Vaxcyte), and when that many small- and mid-cap life-science names move double digits together, it is usually money being repositioned into the sector rather than a single study result. The broader setup supports that read: biotech funding has been thawing, genomics ETFs are among the month's best performers, and pharma M&A is re-accelerating — a combination that rewards the highest-beta, most event-driven part of the market first.

**The ladder was climbed, not just the elevator.** Humana and Sezzle show the two other engines of this tape: managed-care economics are improving on star-rating and reimbursement tailwinds, while consumer credit keeps working as long as spending holds. Software and infrastructure names (Fastly, DigitalOcean, Securitize, PicS) participated on the same AI-adoption logic the market has been rewarding for weeks.

## The telecom complex was repriced in an afternoon

The losers table is dominated by one event. Roughly half of the names are US and international carriers — T-Mobile, AT&T, Verizon, Cogent, Shenandoah, Millicom, Liberty Latin America — alongside the confirmation trade of the same news: Crown Castle and American Tower both appear in the *gainers* list. When a single capital-allocation decision can reprice a decades-old infrastructure moat, the market does not discriminate within the group; it de-risks the whole complex and re-directs capital toward the assets it now considers more durable. Note that AST SpaceMobile, the purest satellite-expression of the thesis, *fell* — a useful reminder that a narrative and a trade are not the same thing once valuation and financing enter the picture.

## What is actually being punished

Look past the telecom block and the rest of the downside list is the same trade the market has been refusing to fund all month: rate- and credit-sensitive assets. Mortgage and specialty REITs (Uniti, Fermi, KKR Real Estate Finance), small engineering & construction, specialty chemicals, agricultural inputs and senior living all sit at or near lows with deeply negative monthly returns. This is not company-level bad news; it is the market declining to pay for economic cyclicality and balance-sheet leverage while the 10-year sits near 4.6% and the dollar stays firm.

## How to use this screen

Single-day extremes are a **discovery tool, not a ranking of quality** — the largest movers are disproportionately micro-caps, recent IPOs and low-float names where a handful of orders can print a double-digit change. Cross-reference the 1M and 6M columns and relative volume before treating any name as a trend: a cluster of health-care names with rising monthly returns is a sector signal, whereas an isolated +10% in a thinly traded micro-cap is usually noise. Finally, earnings season is opening now — several names here report within days, so headline risk is elevated on both sides of the board.

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