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

Last update: Aug 13, 2025

As the regular session of the US market concludes on Wednesday, let's get an insight into the after-hours session and identify the stocks leading the pack in terms of gains and losses.


postmarket

Today's after hours gainers

TickerChangeComment
XPON53.44%Notable gains for EXPION360 INC (NASDAQ:XPON) in the after-hours session, with a 53.44% rise to $2.01 during Wednesday. This is a continuation of today's gain of 11.02%. EXPION360 INC released earnings Yesterday. A press release (Expion360 Reports Second Quarter 2025 Financial and Operational Results) was released earlier today.
SNOA46.89%After the regular session, SONOMA PHARMACEUTICALS INC (NASDAQ:SNOA) continues to impress in the after-hours session, with a 46.89% increase to $4.48. Earlier today the company had a press release: Sonoma Pharmaceuticals Announces Launch of Diaper Rash Product in Walmart and other U.S. Chains.
FOSL18.78%Notable gains for FOSSIL GROUP INC (NASDAQ:FOSL) in the after-hours session, with a 18.78% rise to $2.15 during Wednesday. Earlier today the company had a press release: Fossil Group, Inc. Reports Second Quarter 2025 Financial Results.
DLO13.86%After the closing bell, DLOCAL LTD (NASDAQ:DLO) demonstrated strong momentum in the after-hours session, with a 13.86% rise to $13.31. yesterday the company released their earnings. Earlier today the company had a press release: dLocal Reports 2025 Second Quarter Financial Results.
ALVO8.82%Positive after-hours movement for ALVOTECH SA (NASDAQ:ALVO) as its shares recorded a 8.82% increase, reaching $9.75 during Wednesday's after-hours session. The company's earnings where released Yesterday. Earlier today the company had a press release: Alvotech Reports Results for the First Six Months of 2025 and Provides a Business Update.
VSTM8.48%VERASTEM INC's (NASDAQ:VSTM) stock price is advancing with 8.48% to a price of $8.7. A press release (Verastem Oncology Announces Late-Breaking Abstract from Partner GenFleet Therapeutics’ Study in China of GFH375 (VS-7375) in Advanced Non-Small Cell Lung Cancer at IASLC 2025 World Conference on Lung Cancer) was released earlier today.
RRGB7.33%Positive after-hours movement for RED ROBIN GOURMET BURGERS (NASDAQ:RRGB) as its shares recorded a 7.33% increase, reaching $6.44 during Wednesday's after-hours session. yesterday the company released their earnings. In the last 3 months the share price increased with 82.93%.
ADNWW6.9%AMCI ACQUISITION CORP-CW26 (NASDAQ:ADNWW) rose 6.9% to $0.02 during Wednesday's after hours session. Furthermore, during the regular session, ADNWW had a very successful day, with shares closing 45.0% higher.
CDXS6.89%Notable gains for CODEXIS INC (NASDAQ:CDXS) in the after-hours session, with a 6.89% rise to $3.26 during Wednesday. The company's earnings where released Yesterday. The stock is trading 23.48% higher than 3 months ago.
IMRX4.97%IMMUNEERING CORP - CLASS A (NASDAQ:IMRX) rose 4.97% to $3.38 during Wednesday's after hours session. Earlier today the company had a press release: Immuneering Reports Second Quarter 2025 Financial Results and Provides Business Updates.

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

After hours losers

TickerChangeComment
BSLKW-33.39%GOLDEN ARROW MERGER A -CW26's (NASDAQ:BSLKW) stock price decreased by 33.39% to $0.07. After a notable 333.0% increase earlier today, BSLKW shows signs of a pullback during the after-hours session.
BSLK-25.28%BOLT PROJECTS HOLDINGS INC's (NASDAQ:BSLK) shares experienced a 25.28% decrease to $10.7 in the after-hours session. Despite a significant 557.0% gain earlier today, BSLK faces a reversal and declines in the after-hours session. A press release (Bolt Projects Holdings Reports Q2 2025 Financial Results) was released yesterday.
NDLS-22.55%Following a %ABSPERF% loss in the regular session, NOODLES & CO (NASDAQ:NDLS) exhibits further decline during today's after-hours session. yesterday the company released their earnings. The stock is trading 34.19% lower than 6 months ago.
GTEC-20.59%GREENLAND TECHNOLOGIES HOLDI's (NASDAQ:GTEC) stock price is showing a decline of 20.59% to a price of $1.08 during the after-hours session. The stock is trading 30.26% lower than a month ago.
OTRK-20.32%After today's %ABSPERF% drop, ONTRAK INC (NASDAQ:OTRK) shows further decline during today's after-hours session with a 20.32% decrease. The stock is trading 72.5% lower than 3 months ago.
CWD-19.07%CALIBERCOS INC-CL A's (NASDAQ:CWD) shares fell 19.07% to $2.08. yesterday the company released their earnings. Shareholders saw the stock price going 33.25% lower in the past 3 months.
COHR-17.55%Price volatility persists as COHERENT CORP (NYSE:COHR) closed the regular session with a %ABSPERF% loss, and the downward trend continues in the after-hours session. The company's earnings where released Yesterday. A press release (Coherent Corp. Reports Fourth Quarter and Full Year Fiscal 2025 Results) was released earlier today.
TNON-15.57%TENON MEDICAL INC's (NASDAQ:TNON) stock price is declining with 15.57% to a price of $1.41. The positive momentum earlier in the day is waning as TNON retraces 13.61% during the after-hours session. A press release (Tenon Medical Reports Second Quarter 2025 Financial Results) was released earlier today.
ATNFW-12.73%KBL MERGER CORP IV - CW23's (NASDAQ:ATNFW) shares declined by 12.73% to $0.48 during Wednesday's after-hours session. Despite a significant 416.0% gain earlier today, ATNFW faces a reversal and declines in the after-hours session.
BMBL-11.61%BUMBLE INC-A's (NASDAQ:BMBL) stock price is showing a decline of 11.61% to a price of $6.32 during the after-hours session. Shareholders saw the stock price going 23.92% higher in the past 3 months.

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

FOSSIL GROUP INC

NASDAQ:FOSL (1/30/2026, 8:00:00 PM)

3.47

-0.25 (-6.72%)


RED ROBIN GOURMET BURGERS

NASDAQ:RRGB (1/30/2026, 8:17:25 PM)

After market: 3.77 +0.04 (+1.07%)

3.73

-0.07 (-1.84%)


COHERENT CORP

NYSE:COHR (1/30/2026, 8:04:00 PM)

After market: 211.19 -0.99 (-0.47%)

212.18

-3.68 (-1.7%)


CODEXIS INC

NASDAQ:CDXS (1/30/2026, 8:00:02 PM)

After market: 1.24 0 (0%)

1.24

-0.06 (-4.62%)


VERASTEM INC

NASDAQ:VSTM (1/30/2026, 8:23:44 PM)

After market: 6.05 -0.05 (-0.82%)

6.1

-0.31 (-4.84%)


NOODLES & CO

NASDAQ:NDLS (1/30/2026, 8:08:55 PM)

After market: 0.6742 +0.01 (+2%)

0.661

-0.04 (-5.12%)


SONOMA PHARMACEUTICALS INC

NASDAQ:SNOA (1/30/2026, 8:19:21 PM)

After market: 3.32 +0.04 (+1.22%)

3.28

-0.06 (-1.8%)


GREENLAND TECHNOLOGIES HOLDI

NASDAQ:GTEC (1/30/2026, 8:00:01 PM)

After market: 0.9243 +0.02 (+2.69%)

0.9001

-0.06 (-6.73%)


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%)


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%)


AMCI ACQUISITION CORP-CW26

NASDAQ:ADNWW (10/29/2025, 8:12:04 PM)

After market: 0.0044 +0 (+51.72%)

0.0029

-0.01 (-73.15%)


BUMBLE INC-A

NASDAQ:BMBL (1/30/2026, 8:00:02 PM)

After market: 3.33 -0.02 (-0.6%)

3.35

-0.16 (-4.56%)


DLOCAL LTD

NASDAQ:DLO (1/30/2026, 8:00:01 PM)

After market: 13.38 -0.08 (-0.59%)

13.46

-0.58 (-4.13%)


IMMUNEERING CORP - CLASS A

NASDAQ:IMRX (1/30/2026, 8:00:02 PM)

After market: 4.73 +0.1 (+2.16%)

4.63

-0.24 (-4.93%)


EXPION360 INC

NASDAQ:XPON (1/30/2026, 8:25:07 PM)

After market: 0.73 -0.06 (-7.72%)

0.7911

-0.05 (-5.8%)


TENON MEDICAL INC

NASDAQ:TNON (1/30/2026, 8:21:35 PM)

After market: 0.8855 0 (-0.08%)

0.8862

-0.04 (-3.9%)


ALVOTECH SA

NASDAQ:ALVO (1/30/2026, 8:00:00 PM)

After market: 5.37 0 (0%)

5.37

-0.05 (-0.92%)


CALIBERCOS INC-CL A

NASDAQ:CWD (1/30/2026, 8:00:01 PM)

After market: 1.2 -0.02 (-1.64%)

1.22

+0.01 (+0.83%)


BOLT PROJECTS HOLDINGS INC

NASDAQ:BSLK (1/2/2026, 8:02:28 PM)

After market: 0.4099 -0.17 (-29.72%)

0.5832

-0.22 (-27.01%)


GOLDEN ARROW MERGER A -CW26

NASDAQ:BSLKW (1/2/2026, 8:02:28 PM)

After market: 0.0167 0 (-21.6%)

0.0213

+0 (+28.31%)



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