Monday's after hours session: top gainers and losers

Last update: Dec 22, 2025

The US market regular session of Monday is over, let's have a look at the top gainers and losers in the after hours session today.


postmarket

After hours gainers

TickerChangeComment
ARKOW53.85%Positive market activity for ARKO CORP -CW25 (NASDAQ:ARKOW) after regular trading hours, with a 53.85% increase to $0.0 in the after-hours session on Monday. ARKOW seems to be recovering from a -74.0% loss in the regular session.
INEO21.15%INNEOVA HOLDINGS LTD-A (NASDAQ:INEO) showcases remarkable after-hours performance, with a 21.15% rise to $0.63 during Monday's after-hours trading. In the last month the share price dropped with 20.55%.
AIRE21.04%Positive market activity for REALPHA TECH CORP (NASDAQ:AIRE) after regular trading hours, with a 21.04% increase to $0.56 in the after-hours session on Monday. A press release (reAlpha (Nasdaq: AIRE) Signs Definitive Agreement to Acquire InstaMortgage) was released earlier today.
CETX17.49%CEMTREX INC (NASDAQ:CETX) rose 17.49% to $3.56 during Monday's after hours session. After a notable 31.74% gain earlier today, CETX maintains its positive momentum during the after-hours session.
KAVL14.71%After the closing bell, KAIVAL BRANDS INNOVATIONS GR (NASDAQ:KAVL) demonstrated strong momentum in the after-hours session, with a 14.71% rise to $0.16. Following a -12.26% loss in the regular session, KAVL displays significant price volatility in today's after-hours session.
VIVK11.87%VIVAKOR INC's (NASDAQ:VIVK) shares rose 11.87% to $0.07 during Monday's after hours session. Today's after-hours session indicates a recovery for VIVK after suffering a -17.45% loss in the regular trading day.
ZIM10.26%ZIM INTEGRATED SHIPPING SERV (NYSE:ZIM) rose 10.26% to $21.92 during Monday's after hours session. The stock is trading 42.61% higher than 3 months ago.
IRBT7.18%IROBOT CORP's (NASDAQ:IRBT) stock price is advancing with 7.18% to a price of $0.5. IRBT seems to be recovering from a -30.05% loss in the regular session.
HCTI6.72%Impressive after-hours gains for HEALTHCARE TRIANGLE INC (NASDAQ:HCTI) as its stock price advanced 6.72% to $1.43 during Monday's after-hours session. HCTI seems to be recovering from a -30.57% loss in the regular session.
LAZR6.71%After the closing bell, LUMINAR TECHNOLOGIES INC (NASDAQ:LAZR) demonstrated strong momentum in the after-hours session, with a 6.71% rise to $0.23. Despite today's -63.98% decline, LAZR is actively bouncing back in the after-hours session.

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

After hours losers

TickerChangeComment
HXHX-33.33%Following a 274.0% loss in the regular session, HAOXIN HOLDINGS LTD-CL A (NASDAQ:HXHX) exhibits further decline during today's after-hours session. Today's after-hours session indicates a reversal in HXHX's earlier 274.0% gain, with prices exhibiting heightened volatility.
PAVS-21.18%PARANOVUS ENTERTAINMENT TECH's (NASDAQ:PAVS) stock price is declining with 21.18% to a price of $1.6. In the last month the stock lost 96.56%.
SIDU-15.72%SIDUS SPACE INC-CL A's (NASDAQ:SIDU) shares fell 15.72% to $1.93 during Monday's after hours session. Prices are quite volatile now: this is a reversal from 97.41% gain.
ELPW-11.11%ELONG POWER HOLDING-A's (NASDAQ:ELPW) stock price decreased by 11.11% to $0.16. Following a 12.5% increase in the regular trading session, ELPW is showing signs of weakness with a 11.11% decline in after-hours trading.
ELAB-10.45%PMGC HOLDINGS INC's (NASDAQ:ELAB) shares declined by 10.45% to $1.8 during Monday's after-hours session. It appears that the downward trend persists as ELAB also experienced a -11.06% decline during the regular session.
CMCT-8.35%CREATIVE MEDIA & COMMUNITY T's (NASDAQ:CMCT) stock price is declining with 8.35% to a price of $3.95. After today's gain of 35.11%, it goes down with 8.35% in today's after hours session.
UGRO-8.0%The after-hours session reflects URBAN-GRO INC (NASDAQ:UGRO)'s ongoing correction after experiencing a %ABSPERF% loss in the regular trading hours. The stock is trading 48.64% higher than a month ago.
GOVX-7.72%After today's %ABSPERF% drop, GEOVAX LABS INC (NASDAQ:GOVX) shows further decline during today's after-hours session with a 7.72% decrease. In the last month the stock lost 56.05%.
JZXN-7.22%Price volatility persists as JIUZI HOLDINGS INC (NASDAQ:JZXN) closed the regular session with a %ABSPERF% loss, and the downward trend continues in the after-hours session. In the last month the stock lost 74.69%.
ASRT-5.7%Today's after-hours session sees a continuation of the %ABSPERF% decrease earlier in the day for ASSERTIO HOLDINGS INC (NASDAQ:ASRT).

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

IROBOT CORP

NASDAQ:IRBT (12/19/2025, 8:00:02 PM)

After market: 0.4999 +0.03 (+7.18%)

0.4664

-0.2 (-30.05%)


CREATIVE MEDIA & COMMUNITY T

NASDAQ:CMCT (2/6/2026, 8:25:38 PM)

After market: 2.92 -0.11 (-3.63%)

3.03

+0.25 (+8.99%)


CEMTREX INC

NASDAQ:CETX (2/6/2026, 8:22:50 PM)

After market: 1.51 -0.11 (-6.79%)

1.62

+0.22 (+15.71%)


ASSERTIO HOLDINGS INC

NASDAQ:ASRT (2/6/2026, 8:18:25 PM)

After market: 12.15 -0.59 (-4.63%)

12.74

+1.12 (+9.64%)


GEOVAX LABS INC

NASDAQ:GOVX (2/6/2026, 8:00:01 PM)

2.67

+0.09 (+3.49%)


LUMINAR TECHNOLOGIES INC

NASDAQ:LAZR (12/23/2025, 8:16:50 PM)

After market: 0.1738 -0.01 (-7.75%)

0.1884

-0.03 (-13.46%)


ARKO CORP -CW25

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

After market: 0.004 +0 (+53.85%)

0.0026

-0.01 (-74%)


URBAN-GRO INC

NASDAQ:UGRO (2/6/2026, 8:09:44 PM)

After market: 0.1549 +0 (+0.58%)

0.154

+0.02 (+12.16%)


ZIM INTEGRATED SHIPPING SERV

NYSE:ZIM (2/6/2026, 8:12:36 PM)

After market: 20.5898 -0.09 (-0.44%)

20.68

+0.35 (+1.72%)


JIUZI HOLDINGS INC

NASDAQ:JZXN (2/6/2026, 9:46:33 PM)

After market: 1.55 -0.12 (-7.19%)

1.67

+0.5 (+42.74%)


KAIVAL BRANDS INNOVATIONS GR

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

After market: 0.236 +0.1 (+73.53%)

0.136

-0.02 (-12.26%)


HEALTHCARE TRIANGLE INC

NASDAQ:HCTI (2/6/2026, 8:00:01 PM)

After market: 0.159 +0 (+3.11%)

0.1542

-0.06 (-28.81%)


SIDUS SPACE INC-CL A

NASDAQ:SIDU (2/6/2026, 8:06:09 PM)

After market: 2.4 -0.02 (-0.83%)

2.42

+0.29 (+13.88%)


VIVAKOR INC

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

After market: 0.037 +0 (+6.32%)

0.0348

-0.01 (-25.32%)


PARANOVUS ENTERTAINMENT TECH

NASDAQ:PAVS (2/6/2026, 8:00:02 PM)

After market: 1.3 +0.02 (+1.56%)

1.28

+0.03 (+2.4%)


REALPHA TECH CORP

NASDAQ:AIRE (2/6/2026, 8:17:25 PM)

After market: 0.358 0 (-0.31%)

0.3591

+0.05 (+14.77%)


PMGC HOLDINGS INC

NASDAQ:ELAB (2/6/2026, 8:00:01 PM)

After market: 1.79 +0.03 (+1.7%)

1.76

+0.16 (+10%)


ELONG POWER HOLDING-A

NASDAQ:ELPW (2/6/2026, 8:00:01 PM)

After market: 1.06 -0.04 (-3.64%)

1.1

0 (0%)


HAOXIN HOLDINGS LTD-CL A

NASDAQ:HXHX (2/6/2026, 8:00:01 PM)

After market: 0.3989 0 (-0.03%)

0.399

+0.02 (+5%)


INNEOVA HOLDINGS LTD-A

NASDAQ:INEO (2/6/2026, 8:00:02 PM)

After market: 0.5197 +0.01 (+2.53%)

0.5069

+0.01 (+1.38%)



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