Top movers in Wednesday's after hours session

By Mill Chart - Last update: Sep 24, 2025

The regular session of the US market on Wednesday is now over, but let's get a preview of the after-hours session and explore the top gainers and losers driving the post-market movements.


postmarket

Today's after hours gainers

TickerChangeComment
OFAL73.68%Positive market activity for OFA GROUP (NASDAQ:OFAL) after regular trading hours, with a 73.68% increase to $2.31 in the after-hours session on Wednesday. Shareholders saw the stock price going 26.11% lower in the past 3 months.
IMRX47.35%After the regular session, IMMUNEERING CORP - CLASS A (NASDAQ:IMRX) continues to impress in the after-hours session, with a 47.35% increase to $13.6. A press release (Immuneering Announces Proposed Underwritten Public Offering of Class A Common Stock and Pre-Funded Warrants and Proposed Concurrent Private Placement of Class A Common Stock and Class B Common Stock to Sanofi) was released earlier today.
PEPG35.71%PEPGEN INC (NASDAQ:PEPG) rose 35.71% to $3.61 during Wednesday's after hours session. After a notable 36.41% gain earlier today, PEPG maintains its positive momentum during the after-hours session. A press release (PepGen Announces Highest Mean Splicing Correction Reported in DM1 Patients) was released earlier today.
HTOOW26.82%Notable gains for FUSION FUEL GREEN PLC -CW26 (NASDAQ:HTOOW) in the after-hours session, with a 26.82% rise to $0.03 during Wednesday. In the last 3 months the share price increased with 86.44%.
HTZ20.09%Promising after-hours performance observed for HERTZ GLOBAL HLDGS INC (NASDAQ:HTZ) as its shares surged 20.09% to $8.37 during Wednesday's after-hours trading. Earlier today the company had a press release: Hertz Announces $250 Million Exchangeable Senior Notes Offering.
QLGN20.05%In the after-hours session on Wednesday, QUALIGEN THERAPEUTICS INC (NASDAQ:QLGN) experienced a notable 20.05% increase, driving its shares to $4.97. In the last month the share price increased with 124.0%.
PSQH10.25%After the closing bell, PSQ HOLDINGS INC (NYSE:PSQH) demonstrated strong momentum in the after-hours session, with a 10.25% rise to $3.12. This is a continuation of today's gain of 17.43%.
SFIX10.11%STITCH FIX INC-CLASS A (NASDAQ:SFIX) showcases remarkable after-hours performance, with a 10.11% rise to $6.21 during Wednesday's after-hours trading. STITCH FIX INC-CLASS A released earnings Yesterday. In the last 3 months the stock gained 59.77%.
HTOO9.14%FUSION FUEL GREEN PLC-A (NASDAQ:HTOO) rose 9.14% to $5.85 during Wednesday's after hours session. In the last month the share price increased with 41.73%.
OPEN8.38%Promising after-hours performance observed for OPENDOOR TECHNOLOGIES INC (NASDAQ:OPEN) as its shares surged 8.38% to $8.92 during Wednesday's after-hours trading. The positive momentum from today's 16.08% gain carries over into the after-hours session, with 8.38% further growth.

To see the full list of after hours gainers you can use our after hours gainers page.

Today's after hours losers

TickerChangeComment
ICU-41.94%Price volatility persists as SEASTAR MEDICAL HOLDING CORP (NASDAQ:ICU) closed the regular session with a %ABSPERF% loss, and the downward trend continues in the after-hours session. The stock is trading 37.92% higher than a month ago.
RAYA-33.61%ERAYAK POWER SOLUTION GRP-A's (NASDAQ:RAYA) shares experienced a 33.61% decrease to $0.05 in the after-hours session. Despite a strong 15.8% gain earlier today, RAYA is experiencing a reversal in after-hours trading, with prices declining by 33.61%.
CETX-18.87%CEMTREX INC's (NASDAQ:CETX) shares fell 18.87% to $0.51. The stock is trading 50.0% lower than a month ago.
RENB-16.28%Following a %ABSPERF% loss in the regular session, LUNAI BIOWORKS INC (NASDAQ:RENB) exhibits further decline during today's after-hours session. A press release (Lunai Bioworks, Inc. to Effect 10:1 Reverse Stock Split) was released earlier today.
SHFSW-14.85%The after-hours session reflects NORTHERN LIGHTS ACQUIS -CW22 (NASDAQ:SHFSW)'s ongoing correction after experiencing a 94.89% loss in the regular trading hours. Despite a strong 94.89% gain earlier today, SHFSW is experiencing a reversal in after-hours trading, with prices declining by 14.85%.
EZGO-14.6%EZGO TECHNOLOGIES LTD's (NASDAQ:EZGO) shares experienced a 14.6% decrease to $0.19 in the after-hours session. After today's gain of 38.21%, it goes down with 14.6% in today's after hours session.
YAAS-12.34%YOUXIN TECHNOLOGY LTD-CL A's (NASDAQ:YAAS) stock price is showing a decline of 12.34% to a price of $0.09 during the after-hours session. Price movements remain volatile as YAAS gives back 42.17% of its earlier gains in the after-hours session.
ARBB-12.32%ARB IOT GROUP LTD's (NASDAQ:ARBB) stock price is showing a decline of 12.32% to a price of $10.39 during the after-hours session. The stock is trading 195.0% higher than a month ago.
RIG-11.81%TRANSOCEAN LTD's (NYSE:RIG) shares declined by 11.81% to $3.21 during Wednesday's after-hours session. Shareholders saw the stock price going 41.09% higher in the past 3 months.
GNPX-9.52%After today's %ABSPERF% drop, GENPREX INC (NASDAQ:GNPX) shows further decline during today's after-hours session with a 9.52% decrease. Shareholders saw the stock price going 23.89% higher in the past month.

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

TRANSOCEAN LTD

NYSE:RIG (3/5/2026, 3:00:10 PM)

6.065

-0.3 (-4.79%)


HERTZ GLOBAL HLDGS INC

NASDAQ:HTZ (3/5/2026, 2:59:54 PM)

4.3

-0.04 (-0.92%)


OPENDOOR TECHNOLOGIES INC

NASDAQ:OPEN (3/5/2026, 3:00:09 PM)

5.01

+0.13 (+2.66%)


CEMTREX INC

NASDAQ:CETX (3/5/2026, 2:56:08 PM)

1.05

+0.01 (+0.96%)


STITCH FIX INC-CLASS A

NASDAQ:SFIX (3/5/2026, 2:59:29 PM)

3.14

-0.05 (-1.57%)


GENPREX INC

NASDAQ:GNPX (3/5/2026, 2:54:52 PM)

1.98

-0.09 (-4.35%)


QUALIGEN THERAPEUTICS INC

NASDAQ:QLGN (11/18/2025, 8:00:01 PM)

After market: 3.2 -0.01 (-0.31%)

3.21

+0.17 (+5.59%)


FUSION FUEL GREEN PLC-A

NASDAQ:HTOO (3/5/2026, 3:00:09 PM)

3.43

+0.17 (+5.21%)


FUSION FUEL GREEN PLC -CW26

NASDAQ:HTOOW (12/10/2025, 8:00:01 PM)

0.002

0 (-69.7%)


EZGO TECHNOLOGIES LTD

NASDAQ:EZGO (3/5/2026, 1:46:29 PM)

1.44

-0.13 (-8.14%)


IMMUNEERING CORP - CLASS A

NASDAQ:IMRX (3/5/2026, 2:58:12 PM)

4.915

-0.25 (-4.93%)


PEPGEN INC

NASDAQ:PEPG (3/5/2026, 3:00:08 PM)

5.47

-1.29 (-19.08%)


NORTHERN LIGHTS ACQUIS -CW22

NASDAQ:SHFSW (3/4/2026, 8:00:10 PM)

0.0329

0 (-7.58%)


SEASTAR MEDICAL HOLDING CORP

NASDAQ:ICU (3/5/2026, 2:58:18 PM)

2.62

+0.11 (+4.38%)


ERAYAK POWER SOLUTION GRP-A

NASDAQ:RAYA (3/5/2026, 2:59:40 PM)

0.9

+0.08 (+10.29%)


ARB IOT GROUP LTD

NASDAQ:ARBB (3/5/2026, 2:32:26 PM)

4.97

+0.15 (+3.11%)


PSQ HOLDINGS INC

NYSE:PSQH (3/5/2026, 2:57:40 PM)

0.63

-0.01 (-1.96%)


LUNAI BIOWORKS INC

NASDAQ:RENB (9/30/2025, 8:00:02 PM)

After market: 1.54 +0.12 (+8.45%)

1.42

+0.15 (+12.16%)


YOUXIN TECHNOLOGY LTD-CL A

NASDAQ:YAAS (3/5/2026, 2:42:24 PM)

1.075

-0.09 (-8.12%)


OFA GROUP-A

NASDAQ:OFAL (3/5/2026, 3:00:05 PM)

0.4636

+0.01 (+2.86%)



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