Historical pre-market losers from Thursday, August 20, 2026. 50 stocks declined in pre-market trading. Biggest decliner: Walmart Inc. Common Stock (WMT) at -7.48%.
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 |
|---|---|---|---|---|
| WMT | Walmart Inc. Common Stock | Cons Defensive | $105.75 | -7.48% |
| MRNA | Moderna, Inc. Common Stock | Healthcare | $162.00 | -7.10% |
| MT | ArcelorMittal | Other | $70.32 | -5.72% |
| BABA | Alibaba Group Holding Limited American Depositary Shares, each represents eight Ordinary Shares | Cons Cyclical | $121.99 | -5.36% |
| NTES | NetEase, inc. | Other | $122.10 | -4.05% |
| DG | Dollar General Corp. | Cons Cyclical | $117.53 | -3.91% |
| GNRC | GENERAC HOLDINGS INC | Industrials | $203.78 | -3.33% |
| BLDR | Builders FirstSource, Inc. | Industrials | $70.16 | -3.29% |
| MEI | Methode Electronics | Technology | $14.21 | -3.21% |
| BLZE | Backblaze, Inc. Class A Common Stock | Technology | $16.36 | -3.08% |
| KSS | Kohls Corporation | Cons Cyclical | $18.30 | -2.87% |
| CRWD | CrowdStrike Holdings, Inc. Class A Common Stock | Technology | $196.04 | -2.77% |
| NVAX | Novavax Inc | Healthcare | $8.55 | -2.73% |
| MRVL | Marvell Technology, Inc. Common Stock | Technology | $231.00 | -2.64% |
| FER | Ferrovial N.V. Ordinary Shares | Other | $62.95 | -2.61% |
| AZO | AutoZone, Inc. | Cons Cyclical | $2997.40 | -2.58% |
| ABNB | Airbnb, Inc. Class A Common Stock | Cons Cyclical | $182.00 | -2.36% |
| KR | The Kroger Co. | Cons Defensive | $55.00 | -2.26% |
| BJ | BJs Wholesale Club Holdings, Inc. Common Stock | Cons Defensive | $89.75 | -2.22% |
| TGT | Target Corporation | Cons Defensive | $155.60 | -2.14% |
| AEM | Agnico Eagle Mines Ltd. | Basic Materials | $203.45 | -2.06% |
| CVNA | Carvana Co. | Cons Cyclical | $69.00 | -2.04% |
| PDD | PDD Holdings Inc. American Depositary Shares | Other | $88.40 | -2.00% |
| COST | Costco Wholesale Corp | Cons Defensive | $938.06 | -1.98% |
| ORLY | O'Reilly Automotive, Inc. | Cons Cyclical | $89.44 | -1.93% |
| CAH | Cardinal Health, Inc. | Healthcare | $234.85 | -1.93% |
| AA | Alcoa Corporation | Basic Materials | $50.55 | -1.92% |
| WPM | Wheaton Precious Metals Corp. Common Stock | Other | $144.65 | -1.89% |
| DHI | D.R. Horton Inc. | Cons Cyclical | $149.00 | -1.88% |
| FTNT | Fortinet, Inc. | Technology | $150.00 | -1.86% |
| HD | Home Depot, Inc. | Cons Cyclical | $337.91 | -1.86% |
| LOW | Lowe's Companies Inc. | Cons Cyclical | $216.00 | -1.82% |
| DGX | Quest Diagnostics Inc. | Healthcare | $237.46 | -1.78% |
| SPCX | Space Exploration Technologies Corp. Class A Common Stock | Technology | $137.19 | -1.76% |
| TSLA | Tesla, Inc. Common Stock | Cons Cyclical | $345.00 | -1.74% |
| BNTX | BioNTech SE American Depositary Share | Healthcare | $111.17 | -1.72% |
| OPRA | Opera Limited American Depositary Shares | Other | $17.81 | -1.71% |
| DLTR | Dollar Tree Inc. | Cons Cyclical | $129.60 | -1.70% |
| RF | Regions Financial Corp. | Financial Services | $30.09 | -1.63% |
| CTSH | Cognizant Technology Solutions | Technology | $60.93 | -1.62% |
| RBLX | Roblox Corporation | Comm Serv | $38.07 | -1.60% |
| SNDK | Sandisk Corporation Common Stock | Technology | $1544.21 | -1.57% |
| GPC | Genuine Parts Company | Cons Cyclical | $132.43 | -1.57% |
| OKTA | Okta, Inc. Class A Common Stock | Technology | $139.00 | -1.57% |
| FOXA | Fox Corporation Class A Common Stock | Comm Serv | $66.90 | -1.56% |
| UEC | Uranium Energy Corp. | Basic Materials | $11.45 | -1.55% |
| AS | Amer Sports, Inc. | Other | $33.50 | -1.53% |
| NUE | Nucor Corporation | Basic Materials | $245.00 | -1.50% |
| PANW | Palo Alto Networks, Inc. Common Stock | Technology | $354.43 | -1.48% |
| UAL | United Airlines Holdings, Inc. Common Stock | Industrials | $114.07 | -1.48% |