Curious about the stocks that are showing activity after the closing bell on Monday?

Last update: Aug 18, 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
LASE48.78%After the closing bell, LASER PHOTONICS CORP (NASDAQ:LASE) demonstrated strong momentum in the after-hours session, with a 48.78% rise to $3.66. Earlier today the company had a press release: Laser Photonics Reports Q2 2025 Revenue Growth of 317% Year-Over-Year.
GTI39.02%GRAPHJET TECHNOLOGY (NASDAQ:GTI) rose 39.02% to $0.13 during Monday's after hours session. Earlier today the company had a press release: Graphjet to collaborate with Universiti Kebangsaan Malaysia for the development of thermal management material using graphite.
TBBB36.12%Notable gains for BBB FOODS INC-CLASS A (NYSE:TBBB) in the after-hours session, with a 36.12% rise to $34.64 during Monday. The stock is trading 22.12% lower than a year ago.
WALD36.11%WALDENCAST PLC-A (NASDAQ:WALD) exhibits strong performance after hours, with shares rising 36.11% to $2.45 during Monday's after-hours session. yesterday the company released their earnings. In the last month the share price dropped with 21.4%.
LIDR20.78%AEYE INC (NASDAQ:LIDR) rose 20.78% to $3.14 during Monday's after hours session. A press release (AEye and Black Sesame Technologies Sign Strategic Cooperation Agreement to Advance Autonomous Safety in China) was released earlier today.
WGRX17.35%Promising after-hours performance observed for WELLGISTICS HEALTH INC (NASDAQ:WGRX) as its shares surged 17.35% to $0.88 during Monday's after-hours trading. The positive market sentiment seen in today's regular session, where WGRX closed with a 20.75% gain, carries over into the after-hours session.
IVVD8.4%INVIVYD INC's (NASDAQ:IVVD) shares rose 8.4% to $0.63. Following a -17.82% loss in the regular session, IVVD is displaying signs of recovery during the after-hours session. INVIVYD INC released earnings today. Earlier today the company had a press release: Invivyd Announces Continued Neutralizing Activity of PEMGARDA® (pemivibart) and VYD2311 Against Currently Dominant SARS-CoV-2 Variant XFG (“Stratus”).
XFOR7.63%Notable gains for X4 PHARMACEUTICALS INC (NASDAQ:XFOR) in the after-hours session, with a 7.63% rise to $2.68 during Monday. Prices are quite volatile here as XFOR closed with a -12.63% loss today.
WHLR7.5%Notable gains for WHEELER REAL ESTATE INVESTME (NASDAQ:WHLR) in the after-hours session, with a 7.5% rise to $2.15 during Monday. In the last month the share price dropped with 56.04%.
IOVA6.4%Impressive after-hours gains for IOVANCE BIOTHERAPEUTICS INC (NASDAQ:IOVA) as its stock price advanced 6.4% to $2.66 during Monday's after-hours session. Earlier today the company had a press release: Iovance’s Amtagvi® (lifileucel) Receives Health Canada Approval for Advanced Melanoma.

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

Today's after hours losers

TickerChangeComment
OTRK-19.67%ONTRAK INC's (NASDAQ:OTRK) shares fell 19.67% to $0.27. OTRK had a challenging day, closing -11.98% lower during the regular session, and the downward trend continues in the after-hours session.
ALXO-19.59%ALX ONCOLOGY HOLDINGS INC's (NASDAQ:ALXO) stock price decreased by 19.59% to $0.78. After registering a 50.55% gain earlier today, ALXO is experiencing a 19.59% decline in today's after-hours session.
IBIO-17.57%IBIO INC's (NASDAQ:IBIO) stock price is showing a decline of 17.57% to a price of $0.61 during the after-hours session. In the last 6 months the stock lost 78.66%.
ATNFW-13.95%KBL MERGER CORP IV - CW23's (NASDAQ:ATNFW) shares experienced a 13.95% decrease to $0.37 in the after-hours session. In the last month the share price increased with 5.0K%.
VTAK-10.35%CATHETER PRECISION INC's (NYSEARCA:VTAK) shares declined by 10.35% to $3.81 during Monday's after-hours session. After a notable 62.84% increase earlier today, VTAK shows signs of a pullback during the after-hours session. Yesterday the company had a press release: Catheter Precision Receives Approval for LockeT in the United Kingdom.
SNGX-10.28%After today's 78.42% drop, SOLIGENIX INC (NASDAQ:SNGX) shows further decline during today's after-hours session with a 10.28% decrease. Following a 78.42% increase in the regular trading session, SNGX is showing signs of weakness with a 10.28% decline in after-hours trading.
SRXH-7.07%SRX HEALTH SOLUTIONS INC's (NYSEARCA:SRXH) shares fell 7.07% to $0.39 during Monday's after hours session. It appears that the downward trend persists as SRXH also experienced a -16.02% decline during the regular session.
BLNK-6.31%Today's after-hours session sees a continuation of the %ABSPERF% decrease earlier in the day for BLINK CHARGING CO (NASDAQ:BLNK). yesterday the company released their earnings. Shareholders saw the stock price going 42.88% higher in the past 3 months.
PMNT-4.89%PERFECT MOMENT LTD's (NYSEARCA:PMNT) shares fell 4.89% to $0.53 during Monday's after hours session. In the last month the share price increased with 55.56%.
RVSN-4.76%Today's after-hours session sees a continuation of the 11.7% decrease earlier in the day for RAIL VISION LTD (NASDAQ:RVSN). Following a 11.7% increase in the regular trading session, RVSN is showing signs of weakness with a 4.76% decline in after-hours trading.

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

GRAPHJET TECHNOLOGY

NASDAQ:GTI (11/12/2025, 8:00:01 PM)

After market: 2.41 -0.29 (-10.74%)

2.7

-1.19 (-30.59%)


RAIL VISION LTD

NASDAQ:RVSN (2/6/2026, 8:05:05 PM)

Premarket: 6.01 +0.18 (+3.09%)

5.83

+1.64 (+39.14%)


IBIO INC

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

Premarket: 2.42 0 (0%)

2.42

+0.27 (+12.56%)


WHEELER REAL ESTATE INVESTME

NASDAQ:WHLR (2/6/2026, 8:11:32 PM)

Premarket: 2.26 -0.28 (-11.02%)

2.54

+0.35 (+15.98%)


SOLIGENIX INC

NASDAQ:SNGX (2/6/2026, 8:06:37 PM)

After market: 1.1681 +0.04 (+3.37%)

1.13

+0.09 (+8.65%)


BLINK CHARGING CO

NASDAQ:BLNK (2/6/2026, 8:19:49 PM)

Premarket: 0.7137 +0.01 (+1.65%)

0.7021

+0.06 (+9.12%)


X4 PHARMACEUTICALS INC

NASDAQ:XFOR (2/6/2026, 8:12:03 PM)

After market: 3.56 0 (0%)

3.56

-0.1 (-2.73%)


ONTRAK INC

NASDAQ:OTRK (8/15/2025, 8:00:02 PM)

After market: 0.265 -0.06 (-19.67%)

0.3299

-0.04 (-11.98%)


ALX ONCOLOGY HOLDINGS INC

NASDAQ:ALXO (2/6/2026, 8:17:38 PM)

After market: 2.04 -0.01 (-0.49%)

2.05

-0.01 (-0.49%)


KBL MERGER CORP IV - CW23

NASDAQ:ATNFW (8/15/2025, 8:06:05 PM)

After market: 0.37 -0.06 (-13.95%)

0.43

-0.03 (-6.52%)


WALDENCAST PLC-A

NASDAQ:WALD (2/6/2026, 8:11:16 PM)

Premarket: 1.75 -0.05 (-2.78%)

1.8

+0.06 (+3.45%)


AEYE INC

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

Premarket: 1.575 +0 (+0.32%)

1.57

+0.2 (+14.6%)


IOVANCE BIOTHERAPEUTICS INC

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

Premarket: 2.55 +0.02 (+0.79%)

2.53

+0.17 (+7.2%)


INVIVYD INC

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

Premarket: 1.65 +0.06 (+3.77%)

1.59

-0.12 (-7.02%)


LASER PHOTONICS CORP

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

Premarket: 0.621 +0.02 (+3.29%)

0.6012

-0.37 (-38.41%)


CATHETER PRECISION INC

NYSEARCA:VTAK (2/6/2026, 8:10:56 PM)

After market: 1.7525 -0.14 (-7.28%)

1.89

+0.11 (+6.18%)


PERFECT MOMENT LTD

NYSEARCA:PMNT (2/6/2026, 8:04:00 PM)

After market: 0.2929 +0 (+1%)

0.29

+0 (+0.35%)


BBB FOODS INC-CLASS A

NYSE:TBBB (2/6/2026, 8:07:50 PM)

After market: 39.06 0 (0%)

39.06

+0.91 (+2.39%)


WELLGISTICS HEALTH INC

NASDAQ:WGRX (2/6/2026, 8:11:30 PM)

Premarket: 0.317 +0.01 (+1.67%)

0.3118

-0.01 (-2.1%)


SRX HEALTH SOLUTIONS INC

NYSEARCA:SRXH (2/6/2026, 10:06:44 PM)

Premarket: 0.1266 +0 (+0.32%)

0.1262

0 (-2.25%)



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