These stocks are moving in today's after hours session

By Mill Chart - Last update: Dec 18, 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

Today's after hours gainers

TickerChangeComment
VIVK21.84%After the closing bell, VIVAKOR INC (NASDAQ:VIVK) demonstrated strong momentum in the after-hours session, with a 21.84% rise to $0.09. This is a continuation of today's 47.25% gain, as VIVK maintains its upward trajectory in the after-hours session.
IVP14.54%INSPIRE VETERINARY PARTNE-A (NASDAQ:IVP) exhibits strong performance after hours, with shares rising 14.54% to $0.05 during Thursday's after-hours session. The stock is trading 56.73% lower than a month ago.
LHAI10.46%LINKHOME HOLDINGS INC's (NASDAQ:LHAI) stock price increased by 10.46% to $12.36. Building upon today's 20.45% gain, LHAI demonstrates resilience and ongoing growth in the after-hours session.
WYFI9.09%Positive market activity for WHITEFIBER INC (NASDAQ:WYFI) after regular trading hours, with a 9.09% increase to $15.6 in the after-hours session on Thursday. In the last 3 months the share price dropped with 45.63%.
ORGN8.64%ORIGIN MATERIALS INC (NASDAQ:ORGN) exhibits strong performance after hours, with shares rising 8.64% to $0.32 during Thursday's after-hours session. Only today these shares were declining by -10.72%, so we see a bit of recovery during the after hours session.
HUBC7.89%HUB CYBER SECURITY LTD's (NASDAQ:HUBC) stock price is advancing with 7.89% to a price of $0.43. Earlier today the company had a press release: HUB Cyber Security Announces Open-Market Share Purchases By Insiders.
MYO7.78%In the after-hours session on Thursday, MYOMO INC (NYSEARCA:MYO) experienced a notable 7.78% increase, driving its shares to $0.97. In the last month the share price increased with 24.62%.
ANY7.66%SPHERE 3D CORP (NASDAQ:ANY) showcases remarkable after-hours performance, with a 7.66% rise to $0.4 during Thursday's after-hours trading. In the last 3 months the share price dropped with 44.48%.
SCWO7.16%Positive after-hours movement for 374WATER INC (NASDAQ:SCWO) as its shares recorded a 7.16% increase, reaching $0.25 during Thursday's after-hours session. Yesterday the company had a press release: 374Water Announces the Appointment of Stephen J. Jones as Chairperson of the Board of Directors and Concurrent Management Open Market Purchases of SCWO Common Stock.
CENN7.14%Positive after-hours movement for CENNTRO INC (NASDAQ:CENN) as its shares recorded a 7.14% increase, reaching $0.15 during Thursday's after-hours session. Shareholders saw the stock price going 74.73% lower in the past 3 months.

Our after hours gainers page will show you the full list.

After hours losers

TickerChangeComment
ARKOW-30.0%ARKO CORP -CW25's (NASDAQ:ARKOW) stock price is declining with 30.0% to a price of $0.01. Despite a significant 233.0% gain earlier today, ARKOW faces a reversal and declines in the after-hours session.
CUE-28.95%CUE BIOPHARMA INC's (NASDAQ:CUE) stock price decreased by 28.95% to $0.24. Despite a -14.5% decrease earlier today, CUE continues to decline during the after-hours session with another 28.95% drop. A press release (Cue Biopharma Announces Proposed Public Offering) was released earlier today.
ZNB-28.69%ZETA NETWORK GROUP's (NASDAQ:ZNB) stock price decreased by 28.69% to $0.73. Prices are quite volatile now: this is a reversal from 55.73% gain.
ICU-21.81%SEASTAR MEDICAL HOLDING CORP's (NASDAQ:ICU) stock price is declining with 21.81% to a price of $0.23. In the last 3 months the stock lost 67.12%.
VSTD-19.5%Following a -28.49% loss in the regular session, VESTAND INC (NASDAQ:VSTD) exhibits further decline during today's after-hours session. Following a -28.49% loss in the regular session, VSTD sees no respite as the after-hours session continues the downward trajectory.
AFJK-17.04%The after-hours session reflects AIMEI HEALTH TECHNOLOGY CO (NASDAQ:AFJK)'s ongoing correction after experiencing a 101.0% loss in the regular trading hours. Today's after-hours session indicates a reversal in AFJK's earlier 101.0% gain, with prices exhibiting heightened volatility.
VSME-15.07%VS MEDIA HOLDINGS LTD-CL A's (NASDAQ:VSME) shares fell 15.07% to $0.09 during Thursday's after hours session. Following a 38.37% increase in the regular trading session, VSME is showing signs of weakness with a 15.07% decline in after-hours trading.
YCBD-13.47%CBDMD INC's (NYSEARCA:YCBD) stock price decreased by 13.47% to $1.67. The regular session ended on a negative note with YCBD closing -14.98% lower, and the after-hours session reflects a continuation of the bearish sentiment.
OCG-8.84%Following a -11.07% loss in the regular session, ORIENTAL CULTURE HOLDING LTD (NASDAQ:OCG) exhibits further decline during today's after-hours session. The after-hours session reflects OCG's ongoing correction after a -11.07% loss in the regular trading hours.
SGD-8.7%Today's after-hours session sees a continuation of the 42.26% decrease earlier in the day for SAFE & GREEN DEVELOPMENT COR (NASDAQ:SGD). Following a 42.26% increase in the regular trading session, SGD is showing signs of weakness with a 8.7% decline in after-hours trading.

For the full after hours loser list go to our after hours losers page.

SPHERE 3D CORP

NASDAQ:ANY (2/20/2026, 8:17:00 PM)

Premarket: 1.1805 -0.03 (-2.44%)

1.21

+0.12 (+11.01%)


CUE BIOPHARMA INC

NASDAQ:CUE (2/20/2026, 8:26:08 PM)

Premarket: 0.2848 0 (0%)

0.2848

-0.01 (-2.86%)


CBDMD INC

NYSEARCA:YCBD (2/20/2026, 8:11:28 PM)

Premarket: 0.925 -0.02 (-2.62%)

0.9499

+0.04 (+4.27%)


ORIENTAL CULTURE HOLDING LTD

NASDAQ:OCG (2/20/2026, 8:00:01 PM)

Premarket: 0.7193 -0.04 (-5.47%)

0.7609

-0.06 (-7.56%)


ARKO CORP -CW25

NASDAQ:ARKOW (12/19/2025, 8:00:00 PM)

After market: 0.004 +0 (+53.85%)

0.0026

-0.01 (-74%)


ORIGIN MATERIALS INC

NASDAQ:ORGN (2/20/2026, 8:00:01 PM)

Premarket: 0.1707 +0.01 (+9.21%)

0.1563

0 (-2.92%)


MYOMO INC

NYSEARCA:MYO (2/20/2026, 8:04:00 PM)

Premarket: 0.7441 +0.01 (+1.67%)

0.7319

-0.03 (-3.65%)


CENNTRO INC

NASDAQ:CENN (2/20/2026, 8:21:58 PM)

Premarket: 0.1198 0 (-0.17%)

0.12

+0 (+1.52%)


VIVAKOR INC

NASDAQ:VIVK (12/24/2025, 5:03:31 PM)

After market: 0.037 +0 (+6.32%)

0.0348

-0.01 (-25.32%)


374WATER INC

NASDAQ:SCWO (2/20/2026, 8:04:33 PM)

Premarket: 2.4292 -0.02 (-0.85%)

2.45

-0.17 (-6.49%)


SEASTAR MEDICAL HOLDING CORP

NASDAQ:ICU (2/20/2026, 9:42:39 PM)

Premarket: 2.4798 +0.04 (+1.63%)

2.44

+0.03 (+1.24%)


HUB CYBER SECURITY LTD

NASDAQ:HUBC (2/20/2026, 8:00:01 PM)

Premarket: 2.0384 +0.05 (+2.43%)

1.99

-0.26 (-11.56%)


INSPIRE VETERINARY PARTNE-A

NASDAQ:IVP (1/20/2026, 8:00:02 PM)

After market: 0.0305 0 (-10.29%)

0.034

-0.01 (-16.05%)


SAFE & GREEN DEVELOPMENT COR

NASDAQ:SGD (12/18/2025, 8:00:02 PM)

After market: 0.2293 -0.02 (-8.94%)

0.2518

+0.07 (+42.26%)


VS MEDIA HOLDINGS LTD-CL A

NASDAQ:VSME (2/20/2026, 8:09:52 PM)

Premarket: 1.22 -0.04 (-3.17%)

1.26

-0.08 (-5.97%)


AIMEI HEALTH TECHNOLOGY CO

NASDAQ:AFJK (2/20/2026, 8:16:07 PM)

Premarket: 37.99 +0.05 (+0.13%)

37.94

+3.49 (+10.13%)


LINKHOME HOLDINGS INC

NASDAQ:LHAI (2/20/2026, 8:00:01 PM)

Premarket: 1.4 0 (0%)

1.4

+0.02 (+1.45%)


WHITEFIBER INC

NASDAQ:WYFI (2/20/2026, 8:10:53 PM)

Premarket: 16.75 -0.14 (-0.83%)

16.89

-0.95 (-5.33%)


ZETA NETWORK GROUP

NASDAQ:ZNB (2/20/2026, 8:11:40 PM)

Premarket: 0.2494 +0 (+0.89%)

0.2472

+0.01 (+2.49%)


VESTAND INC

NASDAQ:VSTD (2/20/2026, 8:09:54 PM)

Premarket: 0.2582 0 (0%)

0.2582

-0.01 (-4.12%)



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