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Wondering what's happening in today's after-hours session?

By Mill Chart

Last update: Jul 8, 2025

The regular session of the US market on Tuesday 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

Gainers

TickerChangeComment
AES17.43%Impressive after-hours gains for AES CORP (NYSE:AES) as its stock price advanced 17.43% to $13.0 during Tuesday's after-hours session. Shareholders saw the stock price going 41.4% lower is the past year.
PET8.8%Positive market activity for WAG! GROUP CO (NASDAQ:PET) after regular trading hours, with a 8.8% increase to $0.28 in the after-hours session on Tuesday. Today's gain of 27.25% continues in today's after hours session with 8.8%.
LASE5.97%Notable gains for LASER PHOTONICS CORP (NASDAQ:LASE) in the after-hours session, with a 5.97% rise to $3.07 during Tuesday. Continuing the upward trend from today's 21.34% gain, LASE shows further advancement in the after-hours session. A press release (Laser Photonics Reports Strong Q1 2025 Revenue Growth Driven by Strategic CMS Integration and Multi-Sector Growth) was released yesterday.
PTIX4.96%After the regular session, PROTAGENIC THERAPEUTICS INC (NASDAQ:PTIX) continues to impress in the after-hours session, with a 4.96% increase to $3.6. The stock is trading 48.96% lower than 6 months ago.
CENN4.84%CENNTRO INC's (NASDAQ:CENN) shares rose 4.84% to $0.65 during Tuesday's after hours session. Prices are quite volatile here as CENN closed with a -11.43% loss today. Yesterday the company had a press release: Cenntro Develops Second-Generation Hydrogen Fuel Cell Class 8 Semi-Tractor and Receives EPA Certification.
CETY4.74%Positive market activity for CLEAN ENERGY TECHNOLOGIES IN (NASDAQ:CETY) after regular trading hours, with a 4.74% increase to $0.22 in the after-hours session on Tuesday. Shareholders saw the stock price going 20.71% lower in the past month.
RYTM4.39%RHYTHM PHARMACEUTICALS INC's (NASDAQ:RYTM) shares rose 4.39% to $68.0 during Tuesday's after hours session. Earlier today the company had a press release: Rhythm Pharmaceuticals To Announce Topline Results from Phase 2 Trial Evaluating Oral MC4R Agonist Bivamelagon in Acquired Hypothalamic Obesity.
KZIA4.11%KAZIA THERAPEUTICS-SPON ADR (NASDAQ:KZIA) exhibits strong performance after hours, with shares rising 4.11% to $7.1 during Tuesday's after-hours session. In the last month the share price increased with 22.54%.
OCC4.08%In the after-hours session on Tuesday, OPTICAL CABLE CORP (NASDAQ:OCC) experienced a notable 4.08% increase, driving its shares to $4.85. Also in the regular session OCC had a very good day: shares closed with a 28.73% gain.
VIOT4.03%VIOMI TECHNOLOGY CO LTD-ADR's (NASDAQ:VIOT) stock price is advancing with 4.03% to a price of $2.84. Shareholders saw the stock price going 82.07% higher in the past month.

For the full after hours gainers list go to our after hours gainers page.

After hours losers

TickerChangeComment
RXST-33.54%RXSIGHT INC's (NASDAQ:RXST) shares fell 33.54% to $8.5. A press release (RxSight, Inc. Announces Preliminary Second Quarter 2025 Revenue and Revised 2025 Guidance) was released earlier today.
EVTL-21.58%VERTICAL AEROSPACE LTD's (NYSE:EVTL) shares declined by 21.58% to $5.45 during Tuesday's after-hours session. A press release (Vertical Aerospace Announces Launch of Proposed Underwritten Public Offering) was released earlier today.
AEHR-20.9%AEHR TEST SYSTEMS's (NASDAQ:AEHR) stock price is showing a decline of 20.9% to a price of $12.0 during the after-hours session. The company's earnings where released Yesterday. Earlier today the company had a press release: Aehr Test Systems Reports Fiscal 2025 Fourth Quarter and Full Year Financial Results; Expands Total Addressable Market and Diversifies Customer Base.
BTCS-15.4%After today's 111.0% drop, BTCS INC (NASDAQ:BTCS) shows further decline during today's after-hours session with a 15.4% decrease. The positive momentum earlier in the day is waning as BTCS retraces 111.0% during the after-hours session.
RYDE-10.41%RYDE GROUP LTD-A's (NYSEARCA:RYDE) stock price saw a decrease of 10.41% to $0.41 during Tuesday's after-hours session. Following today's 43.3% gain, RYDE experiences a 10.41% decline in today's after-hours session.
NUKKW-9.89%Price volatility persists as NUKKLEUS INC -CW (NASDAQ:NUKKW) closed the regular session with a %ABSPERF% loss, and the downward trend continues in the after-hours session. The stock is trading 460.0% higher than a year ago.
ASTI-7.26%ASCENT SOLAR TECHNOLOGIES's (NASDAQ:ASTI) stock price decreased by 7.26% to $2.17. Yesterday the company had a press release: Ascent Solar Technologies Reflects on H1 2025 Achievements and Milestones, Looks Ahead to Executing Upon H2 2025 Strategy.
PENG-6.98%PENGUIN SOLUTIONS INC's (NASDAQ:PENG) stock price is showing a decline of 6.98% to a price of $19.71 during the after-hours session. The company's earnings where released Yesterday. Earlier today the company had a press release: Penguin Solutions Reports Q3 Fiscal 2025 Financial Results.
RMTI-6.56%ROCKWELL MEDICAL INC's (NASDAQ:RMTI) stock price is showing a decline of 6.56% to a price of $0.87 during the after-hours session. Despite a strong 16.84% gain earlier today, RMTI is experiencing a reversal in after-hours trading, with prices declining by 6.56%. Yesterday the company had a press release: Rockwell Medical and Innovative Renal Care Announce Three-Year Partnership Agreement to Ensure Supply Chain Continuity of Quality Hemodialysis Products.
BCTX-6.53%BRIACELL THERAPEUTICS CORP's (NASDAQ:BCTX) shares fell 6.53% to $2.72. Shareholders saw the stock price going 33.56% lower in the past 3 months.

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

ROCKWELL MEDICAL INC

NASDAQ:RMTI (7/22/2025, 6:04:21 PM)

After market: 1.08 -0.05 (-4.42%)

1.13

+0.01 (+0.89%)


PROTAGENIC THERAPEUTICS INC

NASDAQ:PTIX (7/22/2025, 5:59:44 PM)

After market: 3.4 +0.06 (+1.8%)

3.34

+0.16 (+5.03%)


ASCENT SOLAR TECHNOLOGIES

NASDAQ:ASTI (7/22/2025, 7:25:26 PM)

After market: 2.0502 -0.07 (-3.29%)

2.12

+0.02 (+0.95%)


AEHR TEST SYSTEMS

NASDAQ:AEHR (7/22/2025, 7:17:14 PM)

After market: 19.6001 -0.5 (-2.49%)

20.1

+3.65 (+22.19%)


AES CORP

NYSE:AES (7/22/2025, 7:13:40 PM)

After market: 13.9194 +0.11 (+0.79%)

13.81

+0.12 (+0.88%)


OPTICAL CABLE CORP

NASDAQ:OCC (7/22/2025, 6:38:22 PM)

After market: 4.89 +0.09 (+1.88%)

4.8

-0.6 (-11.11%)


RHYTHM PHARMACEUTICALS INC

NASDAQ:RYTM (7/22/2025, 6:05:21 PM)

After market: 87.82 0 (0%)

87.82

-0.81 (-0.91%)


KAZIA THERAPEUTICS-SPON ADR

NASDAQ:KZIA (7/22/2025, 7:04:08 PM)

9.86

+0.89 (+9.92%)


VIOMI TECHNOLOGY CO LTD-ADR

NASDAQ:VIOT (7/22/2025, 6:13:12 PM)

After market: 3.5 +0.01 (+0.29%)

3.49

+0.09 (+2.65%)


BRIACELL THERAPEUTICS CORP

NASDAQ:BCTX (7/22/2025, 7:27:13 PM)

After market: 0.7971 -0.01 (-0.98%)

0.805

+0 (+0.25%)


RXSIGHT INC

NASDAQ:RXST (7/22/2025, 7:06:39 PM)

After market: 7.38 +0.12 (+1.65%)

7.26

-0.09 (-1.22%)


BTCS INC

NASDAQ:BTCS (7/22/2025, 7:27:51 PM)

After market: 6.32 +0.02 (+0.32%)

6.3

+0.12 (+1.94%)


VERTICAL AEROSPACE LTD

NYSE:EVTL (7/22/2025, 7:20:04 PM)

After market: 6.31 +0.01 (+0.16%)

6.3

-0.5 (-7.35%)


CENNTRO INC

NASDAQ:CENN (7/22/2025, 7:24:47 PM)

After market: 0.6253 +0.01 (+1.63%)

0.6153

-0.03 (-5.34%)


WAG! GROUP CO

NASDAQ:PET (7/22/2025, 7:26:28 PM)

After market: 0.12 0 (0%)

0.12

0 (-0.91%)


LASER PHOTONICS CORP

NASDAQ:LASE (7/22/2025, 7:20:59 PM)

After market: 3.05 +0.01 (+0.33%)

3.04

+0.12 (+4.11%)


CLEAN ENERGY TECHNOLOGIES IN

NASDAQ:CETY (7/22/2025, 7:23:00 PM)

After market: 0.2499 0 (-0.44%)

0.251

-0.01 (-3.61%)


NUKKLEUS INC -CW

NASDAQ:NUKKW (7/22/2025, 3:56:02 PM)

0.0974

+0 (+3.18%)


RYDE GROUP LTD-A

NYSEARCA:RYDE (7/22/2025, 7:26:51 PM)

After market: 0.35 -0.01 (-2.51%)

0.359

+0.01 (+2.57%)


PENGUIN SOLUTIONS INC

NASDAQ:PENG (7/22/2025, 5:57:35 PM)

After market: 24.45 0 (0%)

24.45

-0.12 (-0.51%)



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