US stock movers, Oct. 19, 2026
Stocks that beat or trailed the S&P 500 ETF (SPY) by at least 5 points in the session, with a filing or analyst action behind them or at least twice their normal volume. Closing prices from Yahoo Finance; a move with no cause in our data may be a data error.
| Stock | Change | vs SPY | Close | Volume | What we found |
|---|---|---|---|---|---|
| SLN Silence Therapeutics plc | +125.6% | +125.2% | $19.58 | 73.8x normal | 8-K |
| EYPT EyePoint, Inc. | -85.3% | -85.7% | $0.44 | 65.9x normal | 8-K, 8-K |
| IRON Disc Medicine, Inc. | +38.9% | +38.4% | $78.93 | 14.5x normal | 8-K |
| ANNX Annexon, Inc. | +17.6% | +17.2% | $4.01 | 1.9x normal | HC Wainwright & Co. note |
| CLF Cleveland-Cliffs Inc. | +16.3% | +15.9% | $14.10 | 5.2x normal | 8-K |
| HPP Hudson Pacific Properties, Inc. | -12.4% | -12.8% | $9.02 | 2.2x normal | Piper Sandler downgrade |
| MANE Veradermics, Inc | +12.4% | +11.9% | $122.28 | 2.2x normal | 8-K, Needham note |
| PBLS Parabilis Medicines, Inc. | +11.4% | +11.0% | $25.35 | 2.2x normal | No cause found in our data |
| ARQT Arcutis Biotherapeutics, Inc. | +10.7% | +10.2% | $31.89 | 2.8x normal | No cause found in our data |
| CDNL Cardinal Infrastructure Group Inc. | +8.6% | +8.1% | $15.87 | 2.1x normal | 8-K |
| OCUL Ocular Therapeutix, Inc | -8.4% | -8.9% | $6.29 | 2.7x normal | No cause found in our data |
| OLMA Olema Pharmaceuticals, Inc. | +8.1% | +7.6% | $7.11 | 1.2x normal | SCHEDULE 13D/A |
| DJT Trump Media & Technology Group Corp. | -8.0% | -8.4% | $6.43 | 2.3x normal | No cause found in our data |
| ZNTL Zentalis Pharmaceuticals, Inc. | +8.0% | +7.6% | $2.30 | 2.5x normal | No cause found in our data |
| WERN Werner Enterprises Inc | -7.9% | -8.3% | $30.22 | 2.0x normal | 8-K |
| MAZE Maze Therapeutics, Inc. | +7.9% | +7.5% | $29.70 | 1.7x normal | 8-K, Canaccord Genuity initiation |
| KMTS Kestra Medical Technologies, Ltd. | +7.8% | +7.4% | $29.37 | 2.2x normal | No cause found in our data |
| FOXF FOX Factory Holding Corp | -7.8% | -8.2% | $14.79 | 5.7x normal | 8-K |
| HOV Hovnanian Enterprises Inc | -6.7% | -7.1% | $90.75 | 2.5x normal | No cause found in our data |
| ASST Strive, Inc. | +6.0% | +5.6% | $25.54 | 1.0x normal | 424B5, 8-K |
| SLGN Silgan Holdings Inc | +6.0% | +5.6% | $40.06 | 2.2x normal | 8-K |
| ALEC Alector, Inc. | +6.0% | +5.6% | $1.95 | 1.5x normal | 424B5, 8-K |
| RGR Sturm Ruger & Co Inc | +5.8% | +5.4% | $45.90 | 1.7x normal | SC TO-T/A |
| TTMI TTM Technologies Inc | +5.6% | +5.1% | $99.10 | 1.8x normal | 8-K |
| RBA RB Global Inc. | -5.3% | -5.8% | $79.81 | 3.2x normal | No cause found in our data |
| MPT Medical Properties Trust Inc | -5.3% | -5.7% | $2.85 | 2.0x normal | No cause found in our data |
| FMC FMC Corp | -5.3% | -5.7% | $5.36 | 2.5x normal | No cause found in our data |
| CBRS Cerebras Systems Inc. | -5.2% | -5.6% | $120.66 | 1.3x normal | TD Cowen note |
| WHR Whirlpool Corp /DE/ | -5.1% | -5.5% | $26.46 | 1.6x normal | Longbow Research downgrade |