Let's delve into the US markets on Monday and uncover the stocks that are experiencing notable gaps in today's session. Below, you'll find the gap up and gap down stocks.

Top Gap up stocks
| Ticker | Change | Comment |
|---|---|---|
| OPTX | 31.7% | During Monday's session, SYNTEC OPTICS HOLDINGS INC's (NASDAQ:OPTX) stock price showed a remarkable increase of 31.7%, reaching $5.95 with a notable 7.71% gap. Shareholders saw the stock price going 194.0% higher in the past month. |
| UP | 31.66% | Exciting news for WHEELS UP EXPERIENCE INC's (NYSE:UP) stock! It advanced 31.66% to $0.89 in today's session, accompanied by a notable 12.23% gap. In the last 3 months the share price dropped with 59.76%. |
| BARK | 25.26% | BARK INC's (NYSE:BARK) shares soared 25.26% to $0.78 in Monday's session, displaying an impressive 20.36% gap. The stock is trading 32.93% lower than 6 months ago. |
| ZH | 22.06% | During Monday's session, ZHIHU INC - ADR's (NYSE:ZH) stock price showed an impressive increase of 22.06%, reaching $4.33 with a substantial gap of 9.17%. The stock is trading 20.58% lower than 3 months ago. |
| DAWN | 20.69% | During Monday's session, DAY ONE BIOPHARMACEUTICALS I's (NASDAQ:DAWN) stock price showed a remarkable increase of 20.69%, reaching $10.79 with a notable 10.23% gap. A press release (Day One Announces Preliminary 2025 OJEMDA™ Net Product Revenue And Provides 2026 Net Product Revenue Guidance) was released yesterday. |
| KC | 20.69% | KINGSOFT CLOUD HOLDINGS-ADR (NASDAQ:KC) rose 20.69% to $13.3 with a gap of 10.87% during Monday's session. |
| SLQT | 20.0% | SELECTQUOTE INC's (NYSE:SLQT) shares rose 20.0% to $1.68 with a gap of 5.96% during Monday's session. Earlier today the company had a press release: SelectQuote Secures New $415 Million Credit Facility Comprised of $325 Million Term Loan with Pathlight Capital Alongside $90 Million Revolving Credit Facility with UMB Bank. |
| OM | 18.64% | OUTSET MEDICAL INC (NASDAQ:OM) rose 18.64% to $5.41 with a gap of 5.45% during Monday's session. A press release (Outset Medical Reports Unaudited Fourth Quarter and 2025 Results) was released earlier today. |
| STKL | 18.15% | Exciting news for SUNOPTA INC's (NASDAQ:STKL) stock! It advanced 18.15% to $4.39 in today's session, accompanied by a notable 11.11% gap. Shareholders saw the stock price going 34.16% lower in the past 3 months. |
| HYMC | 17.8% | HYCROFT MINING HOLDING CO-A's (NASDAQ:HYMC) shares surged 17.8% to $31.96, accompanied by a significant 2.34% gap. In the last month the stock gained 133.0%. |
For the full gap up stocks list go to our gap up stocks screener.
Today's top gap down stocks
| Ticker | Change | Comment |
|---|---|---|
| ATRA | -53.91% | In today's session, ATARA BIOTHERAPEUTICS INC's (NASDAQ:ATRA) stock witnessed a 53.91% fall to $6.3 with a 68.97% gap. A press release (Atara Biotherapeutics Provides Regulatory and Business Update on EBVALLO™ (tabelecleucel)) was released earlier today. |
| NBY | -32.57% | Unfavorable news for NOVABAY PHARMACEUTICALS INC's (NYSEARCA:NBY) stock! It witnessed a 32.57% decline to $12.92 in today's session, along with a 35.49% gap. The stock is trading 692.0% higher than a month ago. |
| LXEO | -27.61% | Unfortunate news for LEXEO THERAPEUTICS INC's (NASDAQ:LXEO) stock! It registered a 27.61% decline to $7.63 in today's session, accompanied by a 31.07% gap. In the last 3 months the stock gained 27.91%. |
| VMAR | -22.75% | In today's session, VISION MARINE TECHNOLOGIES's (NASDAQ:VMAR) stock price decreased by 22.75% to $0.15, exhibiting a 30.83% gap. VISION MARINE TECHNOLOGIES released earnings Yesterday. The stock is trading 65.76% lower than a month ago. |
| TSE | -22.15% | TRINSEO PLC's (NYSE:TSE) shares fell 22.15% to $0.61 with a gap of 36.84%. In the last month the share price increased with 20.23%. |
| MTEN | -20.39% | MINGTENG INT CORP-A's (NASDAQ:MTEN) shares recorded a 20.39% decline to $0.1, with a notable 92.3% gap during today's session. The stock is trading 88.12% lower than a month ago. |
| SMXWW | -19.25% | SMX SECURITY MATTERS PLC-28's (NASDAQ:SMXWW) shares fell 19.25% to $0.06 with a gap of 21.68%. In the last month the share price dropped with 40.46%. |
| ANF | -19.06% | Unfortunate news for ABERCROMBIE & FITCH CO-CL A's (NYSE:ANF) stock! It registered a 19.06% decline to $101.07 in today's session, accompanied by a 25.77% gap. A press release (Abercrombie & Fitch Co. Provides Fourth Quarter and Fiscal Year Outlook Update) was released earlier today. |
| ATEC | -18.57% | ALPHATEC HOLDINGS INC's (NASDAQ:ATEC) shares suffered a 18.57% decline to $18.45 during Monday's session, accompanied by a 21.28% gap. Earlier today the company had a press release: ATEC Announces Select Preliminary Financial Results for 2025 and Provides 2026 Outlook. |
| SHPH | -18.08% | In today's session, SHUTTLE PHARMACEUTICALS HOLD's (NASDAQ:SHPH) stock price decreased by 18.08% to $1.58, exhibiting a 42.09% gap. In the last 3 months the stock lost 52.93%. |
To see the full list of gap down stocks you can use our gap down stocks screener.



