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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 (7/24/2025, 12:19:08 PM)

1.15

+0.03 (+2.68%)


PROTAGENIC THERAPEUTICS INC

NASDAQ:PTIX (7/24/2025, 12:27:41 PM)

3.29

-0.08 (-2.37%)


ASCENT SOLAR TECHNOLOGIES

NASDAQ:ASTI (7/24/2025, 12:24:42 PM)

1.885

-0.24 (-11.5%)


AEHR TEST SYSTEMS

NASDAQ:AEHR (7/24/2025, 12:27:57 PM)

21.28

-0.9 (-4.06%)


AES CORP

NYSE:AES (7/24/2025, 12:27:43 PM)

13.625

-0.31 (-2.26%)


OPTICAL CABLE CORP

NASDAQ:OCC (7/24/2025, 12:26:24 PM)

5.1715

+0.27 (+5.54%)


RHYTHM PHARMACEUTICALS INC

NASDAQ:RYTM (7/24/2025, 12:28:00 PM)

87.24

-0.57 (-0.65%)


KAZIA THERAPEUTICS-SPON ADR

NASDAQ:KZIA (7/24/2025, 12:24:16 PM)

10.1

-0.18 (-1.75%)


VIOMI TECHNOLOGY CO LTD-ADR

NASDAQ:VIOT (7/24/2025, 12:27:39 PM)

3.28

-0.32 (-8.89%)


BRIACELL THERAPEUTICS CORP

NASDAQ:BCTX (7/24/2025, 12:26:23 PM)

0.8129

-0.02 (-2.06%)


RXSIGHT INC

NASDAQ:RXST (7/24/2025, 12:28:01 PM)

7.795

-0.11 (-1.33%)


BTCS INC

NASDAQ:BTCS (7/24/2025, 12:28:06 PM)

5.93

+0.07 (+1.19%)


VERTICAL AEROSPACE LTD

NYSE:EVTL (7/24/2025, 12:27:56 PM)

6.255

-0.41 (-6.08%)


CENNTRO INC

NASDAQ:CENN (7/24/2025, 12:22:45 PM)

0.63

-0.01 (-1.56%)


WAG! GROUP CO

NASDAQ:PET (7/24/2025, 12:27:52 PM)

0.1209

+0 (+1.26%)


LASER PHOTONICS CORP

NASDAQ:LASE (7/24/2025, 12:19:10 PM)

2.98

+0.01 (+0.34%)


CLEAN ENERGY TECHNOLOGIES IN

NASDAQ:CETY (7/24/2025, 12:27:42 PM)

0.2488

0 (-0.48%)


NUKKLEUS INC -CW

NASDAQ:NUKKW (7/24/2025, 12:01:52 PM)

0.105

0 (0%)


RYDE GROUP LTD-A

NYSEARCA:RYDE (7/24/2025, 12:23:23 PM)

0.35

0 (0%)


PENGUIN SOLUTIONS INC

NASDAQ:PENG (7/24/2025, 12:28:00 PM)

24.545

-0.35 (-1.43%)



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