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.


postmarket

Gainers

TickerChangeComment
ARTV103.0%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.
KMRK36.55%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.
FEMY31.49%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.
AKAN27.42%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%.
XBP11.23%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.
PRQR10.71%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%.
OSRH8.43%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.
THM8.04%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.
EPWK5.98%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.
YYAI5.83%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

TickerChangeComment
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.

INTL TOWER HILL MINES LTD

NYSEARCA:THM (3/11/2026, 12:18:01 PM)

2.86

-0.16 (-5.3%)


EMERSON RADIO CORP

NYSEARCA:MSN (3/11/2026, 12:14:30 PM)

0.351

+0 (+1.15%)


STANDARD LITHIUM LTD

NYSEARCA:SLI (3/11/2026, 12:18:09 PM)

4.4

-0.11 (-2.44%)


PROQR THERAPEUTICS NV

NASDAQ:PRQR (3/11/2026, 12:17:54 PM)

1.79

-0.01 (-0.56%)


MINGZHU LOGISTICS HOLDINGS L

NASDAQ:YGMZ (12/11/2025, 8:13:43 PM)

After market: 0.0124 -0.01 (-42.59%)

0.0216

-0.03 (-61.57%)


FEMASYS INC

NASDAQ:FEMY (3/11/2026, 12:17:22 PM)

0.5709

+0.03 (+6.51%)


SONDER HOLDINGS INC

NASDAQ:SOND (11/21/2025, 8:00:47 PM)

After market: 0.109 -0.02 (-13.7%)

0.1263

-0.04 (-23.45%)


AKANDA CORP

NASDAQ:AKAN (3/11/2026, 12:10:21 PM)

0.8399

-0.02 (-1.77%)


POLESTAR AUTO CLASS C-1 ADS

NASDAQ:PSNYW (3/11/2026, 12:05:30 PM)

3.85

-0.36 (-8.55%)


EARLYWORKS CO LTD-ADR

NASDAQ:ELWS (1/16/2026, 8:09:35 PM)

After market: 6.75 -0.31 (-4.39%)

7.06

+0.57 (+8.87%)


XBP GLOBAL HOLDINGS INC

NASDAQ:XBP (3/10/2026, 8:00:03 PM)

5.4

+0.23 (+4.45%)


NEWGENIVF GROUP LTD-A

NASDAQ:NIVF (3/11/2026, 12:17:48 PM)

0.4882

-0.07 (-12.08%)


AIRWA INC

NASDAQ:YYAI (3/11/2026, 12:17:50 PM)

0.9635

-0.01 (-0.97%)


ARTIVA BIOTHERAPEUTICS INC

NASDAQ:ARTV (3/11/2026, 12:17:46 PM)

6.63

+0.55 (+9.05%)


WORK MEDICAL TECHNOLOGY GR-A

NASDAQ:WOK (3/11/2026, 12:12:08 PM)

1.12

+0.02 (+1.82%)


EPWK HOLDINGS LTD-A

NASDAQ:EPWK (12/22/2025, 8:00:02 PM)

After market: 0.6648 -0.09 (-11.77%)

0.7535

-0.07 (-8.18%)


OSR HOLDINGS INC

NASDAQ:OSRH (3/11/2026, 12:17:27 PM)

0.4744

-0.03 (-5.12%)


INVO FERTILITY INC

NASDAQ:IVF (3/11/2026, 12:17:59 PM)

0.865

+0.02 (+2.44%)


XCF GLOBAL INC-A

NASDAQ:SAFX (3/11/2026, 12:18:09 PM)

0.4258

+0.14 (+46.83%)


K-TECH SOLUTIONS CO LTD-A

NASDAQ:KMRK (3/11/2026, 11:40:34 AM)

2.23

+0.03 (+1.36%)



Find more stocks in the Stock Screener

Follow ChartMill for more
Follow us on StockTwitsFollow us on InstagramFollow us on FacebookFollow us on YouTube