Curious about the stocks that are showing activity after the closing bell on Thursday?
By Mill Chart
Last update: Oct 16, 2025
The US market regular session of Thursday is over, let's have a look at the top gainers and losers in the after hours session today.
Gainers
| Ticker | Change | Comment |
|---|---|---|
| ARTV | 103.0% | After the closing bell, ARTIVA BIOTHERAPEUTICS INC (NASDAQ:ARTV) demonstrated strong momentum in the after-hours session, with a 103.0% rise to $5.61. A press release (Artiva Biotherapeutics Announces Refractory Rheumatoid Arthritis as Lead Indication, Upcoming Data Releases, and Corporate Update) was released earlier today. |
| KMRK | 36.55% | K-TECH SOLUTIONS CO LTD-A (NASDAQ:KMRK) exhibits strong performance after hours, with shares rising 36.55% to $1.98 during Thursday's after-hours session. Also in the regular session KMRK had a very good day: shares closed with a 16.94% gain. |
| FEMY | 31.49% | FEMASYS INC's (NASDAQ:FEMY) shares rose 31.49% to $0.98. Today's after-hours session reflects the continued strength of FEMY, following its 35.38% gain during the regular trading hours. A press release (Femasys to Exhibit at the ASRM 2025 Scientific Congress & Expo) was released yesterday. |
| AKAN | 27.42% | Notable gains for AKANDA CORP (NASDAQ:AKAN) in the after-hours session, with a 27.42% rise to $2.84 during Thursday. In the last month the stock lost 38.4%. |
| XBP | 11.23% | Promising after-hours performance observed for XBP GLOBAL HOLDINGS INC (NASDAQ:XBP) as its shares surged 11.23% to $0.57 during Thursday's after-hours trading. Shareholders saw the stock price going 51.16% lower in the past month. |
| PRQR | 10.71% | PROQR THERAPEUTICS NV (NASDAQ:PRQR) exhibits strong performance after hours, with shares rising 10.71% to $3.1 during Thursday's after-hours session. In the last month the share price increased with 27.85%. |
| OSRH | 8.43% | Promising after-hours performance observed for OSR HOLDINGS INC (NASDAQ:OSRH) as its shares surged 8.43% to $0.61 during Thursday's after-hours trading. The stock is trading 22.36% lower than a month ago. |
| THM | 8.04% | INTL TOWER HILL MINES LTD's (NYSEARCA:THM) stock price increased by 8.04% to $2.42. Amidst today's -16.1% decline, we observe signs of recovery during the after-hours session for THM. |
| EPWK | 5.98% | Promising after-hours performance observed for EPWK HOLDINGS LTD-A (NASDAQ:EPWK) as its shares surged 5.98% to $0.1 during Thursday's after-hours trading. Also in the regular session EPWK had a very good day: shares closed with a 26.47% gain. |
| YYAI | 5.83% | Positive market activity for AIRWA INC (NASDAQ:YYAI) after regular trading hours, with a 5.83% increase to $0.13 in the after-hours session on Thursday. Prices are quite volatile here as YYAI closed with a -10.71% loss today. |
For the full after hours gainers list go to our after hours gainers page.
Today's after hours losers
| Ticker | Change | Comment |
|---|---|---|
| IVF | -28.57% | Price volatility persists as INVO FERTILITY INC (NASDAQ:IVF) closed the regular session with a 85.68% loss, and the downward trend continues in the after-hours session. Despite a significant 85.68% gain earlier today, IVF faces a reversal and declines in the after-hours session. |
| WOK | -24.57% | The after-hours session reflects WORK MEDICAL TECHNOLOGY GR-A (NASDAQ:WOK)'s ongoing correction after experiencing a %ABSPERF% loss in the regular trading hours. In the last month the stock lost 92.63%. |
| NIVF | -21.18% | NEWGENIVF GROUP LTD-A's (NASDAQ:NIVF) stock price is declining with 21.18% to a price of $1.6. After today's gain of 12.15%, it goes down with 21.18% in today's after hours session. |
| PSNYW | -18.04% | POLESTAR AUTO CLASS C-1 ADS's (NASDAQ:PSNYW) shares fell 18.04% to $0.26. Price volatility intensifies as PSNYW retraces its 54.39% gain during the after-hours session. |
| SLI | -17.25% | Following a %ABSPERF% loss in the regular session, STANDARD LITHIUM LTD (NYSEARCA:SLI) exhibits further decline during today's after-hours session. The stock is trading 82.09% higher than a month ago. |
| SOND | -16.97% | After today's 79.35% drop, SONDER HOLDINGS INC (NASDAQ:SOND) shows further decline during today's after-hours session with a 16.97% decrease. After today's gain of 79.35%, it goes down with 16.97% in today's after hours session. |
| ELWS | -15.69% | EARLYWORKS CO LTD-ADR's (NASDAQ:ELWS) shares fell 15.69% to $4.3 during Thursday's after hours session. Prices are quite volatile now: this is a reversal from 38.59% gain. |
| YGMZ | -11.99% | After today's 24.05% drop, MINGZHU LOGISTICS HOLDINGS L (NASDAQ:YGMZ) shows further decline during today's after-hours session with a 11.99% decrease. After running up 24.05% in today's session, YGMZ is pulling back after hours. |
| MSN | -9.53% | After today's %ABSPERF% drop, EMERSON RADIO CORP (NYSEARCA:MSN) shows further decline during today's after-hours session with a 9.53% decrease. Shareholders saw the stock price going 22.33% higher in the past 3 months. |
| SAFX | -9.26% | XCF GLOBAL INC-A's (NASDAQ:SAFX) shares declined by 9.26% to $0.98 during Thursday's after-hours session. Shareholders saw the stock price going 34.94% lower in the past 3 months. |
Our after hours losers page will show you the full list.
1.84
-0.06 (-3.16%)
0.5201
+0.03 (+6.95%)
4.22
+0.11 (+2.68%)
2.91
+0.09 (+3.19%)
0.139
-0.03 (-17.99%)
0.6334
+0.02 (+4.06%)
0.9399
-0.05 (-5.06%)
2.21
-0.08 (-3.49%)
0.2794
+0 (+0.04%)
4.56
+0.36 (+8.57%)
0.5196
+0.02 (+3.2%)
1.22
-0.09 (-6.73%)
0.0794
-0.01 (-14.99%)
5.41
+0.57 (+11.78%)
3.3
-1 (-23.26%)
0.0748
0 (-2.22%)
0.6036
-0.04 (-6.55%)
0.5781
-0.07 (-10.46%)
1.05
-0.03 (-2.78%)
1.21
-0.03 (-2.42%)
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