Premarket Losers for Monday, October 12, 2026
Live pre-market data — updates every 60 seconds. 50 stocks declined in pre-market trading. Biggest decliner: Albemarle Corporation (ALB) at -4.25%.
Pre-Market Decliners on Monday, October 12, 2026
Pre-market losers are stocks experiencing the largest price drops between 4:00 AM and 9:30 AM ET. These moves are often triggered by earnings misses, guidance cuts, analyst downgrades, or negative macro developments. Low pre-market volume can amplify these moves beyond what regular-session trading would produce.
Significant pre-market declines can present either warning signs or buying opportunities depending on the catalyst. Cross-reference with the earnings calendar and individual stock analysis pages for deeper context.
| Ticker | Company | Sector | Price | % Change | RVOL |
|---|---|---|---|---|---|
| ALB | Albemarle Corporation | Materials | $96.97 | -4.25% | 0.6× |
| BLZE | Backblaze, Inc. Class A Common Stock | Technology | $12.30 | -3.07% | 0.0× |
| SQM | Sociedad Quimica y Minera de Chile SA | Materials | $62.00 | -2.99% | 0.3× |
| TRI | Thomson Reuters Corporation Common Shares | Industrials | $100.53 | -2.60% | 0.0× |
| PODC | PodcastOne, Inc. Common Stock | Technology | $2.10 | -2.33% | 0.4× |
| ALAB | Astera Labs, Inc. Common Stock | Technology | $334.45 | -2.27% | 0.1× |
| MU | Micron Technology, Inc. | Technology | $1006.33 | -2.20% | 0.6× |
| ROIV | Roivant Sciences Ltd. Common Shares | Healthcare | $34.70 | -2.09% | 0.1× |
| AAOI | Applied Optoelectronics, Inc. | Technology | $107.50 | -1.95% | 0.5× |
| BAH | Booz Allen Hamilton Holding Corporation | Industrials | $72.50 | -1.95% | 0.0× |
| CART | Maplebear Inc. Common Stock | Technology | $46.90 | -1.80% | 0.0× |
| SOFI | SoFi Technologies, Inc. Common Stock | Financial Services | $15.52 | -1.77% | 1.9× |
| ADSK | Autodesk Inc | Technology | $231.19 | -1.77% | 0.0× |
| MRVL | Marvell Technology, Inc. Common Stock | Technology | $270.59 | -1.70% | 0.2× |
| TLN | Talen Energy Corporation Common Stock | Utilities | $372.23 | -1.67% | 0.0× |
| SNDK | Sandisk Corporation Common Stock | Technology | $1555.40 | -1.67% | 0.5× |
| COHR | Coherent Corp. | Technology | $307.40 | -1.67% | 0.3× |
| NBIS | Nebius Group N.V. | Technology | $217.54 | -1.60% | 0.6× |
| INSM | Insmed, Inc. | Healthcare | $99.00 | -1.59% | 0.1× |
| WDC | Western Digital Corp. | Technology | $390.98 | -1.59% | 0.4× |
| ARE | Alexandria Real Estate Equities, Inc. | Real Estate | $44.80 | -1.56% | 0.1× |
| RMBS | Rambus Inc | Technology | $105.80 | -1.55% | 0.1× |
| ONTO | Onto Innovation Inc. | Technology | $290.00 | -1.54% | 0.1× |
| SKHY | SK hynix Inc. American Depositary Shares | Technology | $166.48 | -1.51% | 0.7× |
| GME | GameStop Corp. Class A | Cons Cyclical | $26.20 | -1.36% | 0.6× |
| BE | Bloom Energy Corporation | Technology | $276.71 | -1.35% | 0.2× |
| GLW | Corning Incorporated | Industrials | $154.67 | -1.28% | 0.0× |
| ARM | Arm Holdings plc American Depositary Shares | Technology | $263.00 | -1.23% | 0.2× |
| EQX | Equinox Gold Corp. | Materials | $11.28 | -1.23% | 0.0× |
| STX | Seagate Technology Holdings PLC Ordinary Shares (Ireland) | Technology | $773.50 | -1.21% | 0.2× |
| AGI | Alamos Gold Inc. | Materials | $32.51 | -1.19% | 0.0× |
| CRDO | Credo Technology Group Holding Ltd Ordinary Shares | Technology | $214.00 | -1.18% | 0.1× |
| TSEM | Tower Semiconductor Ltd | Technology | $226.02 | -1.18% | 0.1× |
| SMTC | Semtech Corp | Technology | $185.10 | -1.17% | 0.0× |
| SMCI | Super Micro Computer, Inc. Common Stock | Technology | $41.37 | -1.16% | 0.2× |
| FORM | FormFactor Inc. | Technology | $138.10 | -1.12% | 0.1× |
| BABA | Alibaba Group Holding Limited American Depositary Shares, each represents eight Ordinary Shares | Cons Cyclical | $110.17 | -1.08% | 0.3× |
| JBL | Jabil Inc. | Technology | $303.00 | -1.07% | 0.0× |
| WPM | Wheaton Precious Metals Corp. Common Stock | Materials | $137.17 | -1.07% | 0.0× |
| LFUS | Littelfuse Inc | Technology | $422.00 | -1.06% | 0.2× |
| TXG | 10x Genomics, Inc. Class A Common Stock | Technology | $79.80 | -1.05% | 0.0× |
| TER | Teradyne, Inc. Common Stock | Technology | $398.44 | -1.05% | 0.6× |
| LRCX | Lam Research Corp | Industrials | $315.59 | -1.02% | 0.0× |
| INTC | Intel Corp | Technology | $103.70 | -0.96% | 0.3× |
| DELL | Dell Technologies Inc. | Technology | $580.50 | -0.95% | 0.1× |
| MT | ArcelorMittal | Materials | $63.51 | -0.94% | 0.2× |
| AEIS | Advanced Energy Industries Inc | Technology | $286.00 | -0.92% | 0.0× |
| SUNB | Sunbelt Rentals Holdings, Inc. | Industrials | $74.48 | -0.92% | 0.2× |
| VST | Vistra Corp. | Utilities | $160.01 | -0.91% | 0.2× |
| PLTR | Palantir Technologies Inc. Class A Common Stock | Technology | $207.19 | -0.89% | 0.4× |