Historical pre-market losers from Monday, August 24, 2026. 50 stocks declined in pre-market trading. Biggest decliner: Sandisk Corporation Common Stock (SNDK) at -5.92%.
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 |
|---|---|---|---|---|
| SNDK | Sandisk Corporation Common Stock | Technology | $1501.64 | -5.92% |
| COHR | Coherent Corp. | Technology | $272.87 | -5.75% |
| LITE | Lumentum Holdings Inc. Common Stock | Technology | $819.18 | -5.48% |
| WDC | Western Digital Corp. | Technology | $439.20 | -4.41% |
| STX | Seagate Technology Holdings PLC Ordinary Shares (Ireland) | Technology | $816.11 | -3.99% |
| MU | Micron Technology, Inc. | Technology | $931.26 | -3.67% |
| MRVL | Marvell Technology, Inc. Common Stock | Technology | $228.40 | -3.64% |
| CIEN | Ciena Corporation | Technology | $382.03 | -3.48% |
| SKHY | SK hynix Inc. American Depositary Shares | Other | $157.77 | -3.45% |
| IONQ | IonQ, Inc. | Technology | $43.41 | -3.23% |
| TER | Teradyne, Inc. Common Stock | Technology | $363.99 | -3.13% |
| GLW | Corning Incorporated | Technology | $145.25 | -3.06% |
| CRWV | CoreWeave, Inc. Class A Common Stock | Technology | $85.34 | -2.86% |
| NTES | NetEase, inc. | Other | $124.51 | -2.86% |
| AMAT | Applied Materials Inc | Technology | $478.66 | -2.77% |
| QUBT | Quantum Computing Inc. Common | Technology | $8.68 | -2.71% |
| KLAC | KLA Corporation Common Stock | Technology | $179.17 | -2.62% |
| SPCX | Space Exploration Technologies Corp. Class A Common Stock | Technology | $133.40 | -2.60% |
| ARM | Arm Holdings plc American Depositary Shares | Other | $237.03 | -2.59% |
| MCHP | Microchip Technology Inc | Technology | $74.20 | -2.47% |
| VRT | Vertiv Holdings Co Class A Common Stock | Technology | $255.49 | -2.47% |
| SMCI | Super Micro Computer, Inc. Common Stock | Technology | $36.36 | -2.36% |
| LRCX | Lam Research Corp | Technology | $306.61 | -2.35% |
| ANET | Arista Networks | Technology | $184.60 | -2.15% |
| Q | Qnity Electronics, Inc. | Technology | $126.12 | -2.14% |
| ZTO | ZTO Express (Cayman) Inc. American Depositary Shares, each representing one Class A ordinary share | Other | $20.92 | -2.11% |
| INTC | Intel Corp | Technology | $88.23 | -2.04% |
| NOK | Nokia Corporation | Other | $10.01 | -1.97% |
| CGC | Canopy Growth Corporation Common Shares | Healthcare | $1.03 | -1.88% |
| BNTX | BioNTech SE American Depositary Share | Healthcare | $114.40 | -1.86% |
| E | ENI S.p.A. | Other | $55.42 | -1.86% |
| MPWR | Monolithic Power Systems, Inc. | Technology | $1292.00 | -1.84% |
| BABA | Alibaba Group Holding Limited American Depositary Shares, each represents eight Ordinary Shares | Cons Cyclical | $117.15 | -1.83% |
| CRML | Critical Metals Corp. Ordinary Shares | Other | $6.98 | -1.83% |
| OMC | Omnicom Group Inc. | Comm Serv | $85.94 | -1.83% |
| AMD | Advanced Micro Devices | Technology | $464.84 | -1.78% |
| XYZ | Block, Inc. | Technology | $80.75 | -1.72% |
| ARGX | argenx SE American Depositary Shares | Other | $1022.45 | -1.67% |
| JBL | Jabil Inc. | Technology | $307.99 | -1.67% |
| ON | ON Semiconductor Corp | Technology | $73.00 | -1.63% |
| GSK | GSK plc American Depositary Shares (Each representing two Ordinary Shares) | Healthcare | $51.57 | -1.60% |
| DELL | Dell Technologies Inc. | Technology | $435.01 | -1.60% |
| NXPI | NXP Semiconductors N.V. | Technology | $222.13 | -1.52% |
| PBR | PETROLEO BRASILEIRO S.A.-PETROBRAS ADS (REP 1 COMMON SHARE) | Other | $18.87 | -1.46% |
| PWR | Quanta Services, Inc. | Industrials | $630.20 | -1.43% |
| GEV | GE Vernova Inc. | Industrials | $943.40 | -1.41% |
| UPST | Upstart Holdings, Inc. Common stock | Technology | $29.89 | -1.36% |
| BP | BP p.l.c. | Energy | $44.17 | -1.32% |
| FIX | Comfort Systems USA, Inc. | Industrials | $1634.00 | -1.31% |
| CVE | Cenovus Energy Inc. | Other | $32.50 | -1.29% |