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Why US Stocks Moved Today (Oct 21, 2026): Top Gainers, Losers & Fresh 8-K Filings
Updated Oct 21, 2026, 6:16 PM ET — rebuilt with every market-hours refresh. Sources: SEC EDGAR, Nasdaq earnings calendar (dates and timing only), Yahoo Finance prices.
Moves so far in the Oct 21 session, biggest % moves among liquid stocks with heavy volume. As of Oct 21, 2026, 4:00 PM ET.
| Stock | Price | Day |
|---|---|---|
| Pomdoctor POM | $3.01 | +352.63% |
| Springview SPHL | $3.54 | +45.68% |
| Svrn SVRN | $36.76 | +41.49% |
| Ashford Hospitality AHT | $2.47 | +37.99% |
| Aevex AVEX | $9.68 | -32.50% |
| Better Home & Finance BETR | $15.58 | +30.16% |
| INVE Technologies INVE | $2.78 | +25.23% |
| Alpha Teknova TKNO | $5.85 | -20.84% |
| Arcus Biosciences RCUS | $19.10 | -19.58% |
| Cypherpunk Technologies CYPH | $3.33 | +18.51% |
8-K filings today (4)
- TSLA: earnings results (4:41 PM ET)
- IBM: earnings results (4:19 PM ET)
- DELL: executive/director change (4:37 PM ET)
- BAC: executive/director change (5:07 PM ET)
More: All US stocks today · Earnings this week · Movers today · Today's 8-K filings
Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions.
What's Moving Right Now
#1 Nasdaq-100 moverAMD $552.72 +3.36%Nasdaq, as of Oct 21, 2026 4:15 PM ET
Trading halts17 halts in Nasdaq's current feedNasdaq Trader feed, checked Oct 22, 8:00 AM ET
Earnings & SEC 8-Ks15 companies report Oct 22 · 30 new 8-KsNasdaq earnings calendar, SEC EDGAR