Stock movers: Aug 21, 2026
// Friday, August 21, 2026 · gainers · losers · most_active · catalysts · halts · frozen daily record
On Friday, August 21, 2026, HOWL led US-listed gainers tracked by Tapeboard, closing at $0.84, up 95.0%. LGCL fell hardest, closing at $0.06, down 31.6%. MSTU was the most-active name with 7.5B shares traded.
§00 // GAINERS
Top gainers — Aug 21, 2026
// US-listed gainers tracked by Tapeboard at the close, ranked by percent change
| Symbol | Name | Close | Change | Volume |
|---|---|---|---|---|
| HOWL | WEREWOLF THERAPEUTIC | $0.84 | +95.0% | — |
| USDE | STABLECOINX INC A | $7.60 | +90.0% | — |
| KNRX | KNOREX LTD A | $0.50 | +52.9% | — |
| CAN | CANAAN INC A ADR | $0.39 | +38.1% | — |
| MSTU | T-REX 2X LONG MSTR DAILY TARGET ETF | $2.81 | +15.7% | — |
| HOOD | ROBINHOOD MKTS INC A | $108.69 | +14.3% | — |
| DNN | DENISON MINES CORP | $3.50 | +11.5% | — |
| TSLL | Direxion Daily TSLA Bull 2X Shares | $9.76 | +9.9% | — |
| MRNA | MODERNA INC | $145.39 | +9.0% | — |
| BMNR | BITMINE IMMERSION TE | $23.29 | +8.0% | — |
§00 // LOSERS
Top losers — Aug 21, 2026
// US-listed losers tracked by Tapeboard at the close, ranked by percent change
| Symbol | Name | Close | Change | Volume |
|---|---|---|---|---|
| LGCL | LUCAS GC LTD | $0.06 | −31.6% | — |
| GOSS | GOSSAMER BIO INC | $0.15 | −2.4% | — |
| INTC | INTEL CORP | $90.03 | −2.3% | — |
| SOXL | Direxion Daily Semicondct Bull 3X ETF | $120.07 | −1.8% | — |
| NVDA | NVIDIA CORP | $215.06 | −0.8% | — |
| SNXX | INVESTMENT MANAGERS SER TR II TRADR 2X LONG SNDK DAILY ETF | $15.04 | −0.7% | — |
| AAPL | APPLE INC | $309.38 | −0.6% | — |
| AMZN | AMAZON.COM INC | $259.39 | −0.3% | — |
| WMT | WALMART INC | $103.53 | −0.1% | — |
§00 // MOST_ACTIVE
Most active — Aug 21, 2026
// US-listed names by dollar volume at the close
| Symbol | Name | Close | Change | Volume |
|---|---|---|---|---|
| MSTU | T-REX 2X LONG MSTR DAILY TARGET ETF | $2.81 | +15.7% | 7.5B |
| KNRX | KNOREX LTD A | $0.50 | +52.9% | 7.5B |
| BITO | PROSHARES BITCOIN ETF | $10.53 | +7.3% | 7.5B |
| NU | NU HLDGS LTD A | $14.59 | +2.7% | 7.5B |
| BMNR | BITMINE IMMERSION TE | $23.29 | +8.0% | 7.5B |
| PATH | UIPATH INC A | $16.30 | +2.4% | 7.5B |
| DNN | DENISON MINES CORP | $3.50 | +11.5% | 7.5B |
| SNXX | INVESTMENT MANAGERS SER TR II TRADR 2X LONG SNDK DAILY ETF | $15.04 | −0.7% | 7.5B |
| SOXL | Direxion Daily Semicondct Bull 3X ETF | $120.07 | −1.8% | 7.5B |
| NOK | NOKIA CORP Series A ADR | $10.20 | +0.5% | 7.5B |
§00 // UNUSUAL_VOLUME
Unusual volume — Aug 21, 2026
// Names trading far above their typical volume — not recorded for this date.
§00 // 52W_HIGHS
52-week highs — Aug 21, 2026
// Names closing at fresh 52-week highs — not recorded for this date.
§00 // 52W_LOWS
52-week lows — Aug 21, 2026
// Names closing at fresh 52-week lows — not recorded for this date.
§00 // NEWS_CATALYSTS
News catalysts behind the day's movers
// Catalyst headlines for this date are not recorded.
§00 // HALTS
Trading halts on this date
// Halt detail for this date is not recorded (captured outside the live feed's retention window).
§00 // SQUEEZE_BOARD
Short-squeeze leaderboard this date
// The squeeze-leaderboard snapshot for this date is not recorded (the board serves the current day).
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