Stay updated with the stocks that are on the move in today's after-hours session.

Last update: Aug 6, 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.

After hours gainers

Ticker	Change	Comment
CREG	32.26%	After the closing bell, SMART POWERR CORP (NASDAQ:CREG) demonstrated strong momentum in the after-hours session, with a 32.26% rise to $2.05. In the last month the share price dropped with 35.15%.
ARIS	21.53%	ARIS WATER SOLUTIONS INC-A (NYSE:ARIS) exhibits strong performance after hours, with shares rising 21.53% to $24.22 during Wednesday's after-hours session. A press release (Western Midstream to Acquire Aris Water Solutions) was released earlier today.
NAGE	20.74%	NIAGEN BIOSCIENCE INC (NASDAQ:NAGE) exhibits strong performance after hours, with shares rising 20.74% to $11.35 during Wednesday's after-hours session. The company's earnings where released Yesterday. Earlier today the company had a press release: Niagen Bioscience, Inc. Reports Second Quarter 2025 Financial Results and Increases Full Year Outlook.
GH	20.66%	After the regular session, GUARDANT HEALTH INC (NASDAQ:GH) continues to impress in the after-hours session, with a 20.66% increase to $53.8. In the last year the stock gained 53.76%.
IMG	19.95%	CIMG INC's (NASDAQ:IMG) shares rose 19.95% to $0.24 during Wednesday's after hours session. In the last month the stock lost 29.08%.
TPC	16.33%	TUTOR PERINI CORP (NYSE:TPC) rose 16.33% to $55.0 during Wednesday's after hours session. The company's earnings where released Yesterday. Shareholders saw the stock price going 44.54% higher in the past 3 months.
UPWK	16.15%	UPWORK INC (NASDAQ:UPWK) showcases remarkable after-hours performance, with a 16.15% rise to $13.88 during Wednesday's after-hours trading. UPWORK INC released earnings Yesterday. Earlier today the company had a press release: Upwork Reports Second Quarter 2025 Financial Results.
ASLE	14.77%	AERSALE CORP's (NASDAQ:ASLE) shares rose 14.77% to $7.07. AERSALE CORP released earnings Yesterday. Earlier today the company had a press release: AerSale Reports Second Quarter 2025 Results.
CRNC	14.45%	After the regular session, CERENCE INC (NASDAQ:CRNC) continues to impress in the after-hours session, with a 14.45% increase to $9.82. The company's earnings where released Yesterday. The stock is trading 40.75% lower than 6 months ago.
DUOL	14.37%	DUOLINGO (NASDAQ:DUOL) showcases remarkable after-hours performance, with a 14.37% rise to $393.0 during Wednesday's after-hours trading. yesterday the company released their earnings. A press release (Duolingo Reports 41% Revenue Growth, 46% Subscription Revenue Growth and Record Profitability in Second Quarter 2025; Raises Full-Year Guidance) was released earlier today.

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

After hours losers

Ticker	Change	Comment
COOK	-18.82%	Price volatility persists as TRAEGER INC (NYSE:COOK) 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 (Traeger Announces Second Quarter Fiscal 2025 Results) was released earlier today.
DFLIW	-17.13%	CHARDAN NEXTECH ACQUISI-CW27's (NASDAQ:DFLIW) shares fell 17.13% to $0.01. In the last 3 months the share price dropped with 23.95%.
TNDM	-16.33%	After today's %ABSPERF% drop, TANDEM DIABETES CARE INC (NASDAQ:TNDM) shows further decline during today's after-hours session with a 16.33% decrease. TANDEM DIABETES CARE INC released earnings Yesterday. Earlier today the company had a press release: Tandem Diabetes Care Announces Second Quarter 2025 Financial Results and Provides 2025 Annual Guidance.
TSSI	-15.93%	TSS INC's (NASDAQ:TSSI) shares declined by 15.93% to $24.17 during Wednesday's after-hours session. The company's earnings where released Yesterday. A press release (TSS Reports Second Quarter 2025 Revenue of $44.0 Million, Up 262%) was released earlier today.
EXAS	-15.8%	EXACT SCIENCES CORP's (NASDAQ:EXAS) shares fell 15.8% to $39.5 during Wednesday's after hours session. The company's earnings where released Yesterday. A press release (Exact Sciences Announces Second Quarter 2025 Results) was released earlier today.
WORX	-14.67%	SCWORX CORP's (NASDAQ:WORX) stock price is declining with 14.67% to a price of $0.24. The stock is trading 34.7% lower than a month ago.
PHGE	-13.83%	Following a 49.43% loss in the regular session, BIOMX INC (NYSEARCA:PHGE) exhibits further decline during today's after-hours session. After running up 49.43% in today's session, PHGE is pulling back after hours.
SANA	-13.41%	SANA BIOTECHNOLOGY INC's (NASDAQ:SANA) shares experienced a 13.41% decrease to $3.68 in the after-hours session. SANA BIOTECHNOLOGY INC released earnings Yesterday. A press release (Sana Biotechnology Announces Proposed Public Offering of Common Stock and Pre-Funded Warrants) was released earlier today.
RDW	-13.14%	REDWIRE CORP's (NYSE:RDW) stock price saw a decrease of 13.14% to $11.9 during Wednesday's after-hours session. The company's earnings where released Yesterday. A press release (Redwire Corporation Reports Second Quarter 2025 Financial Results) was released earlier today.
ELDN	-13.08%	The after-hours session reflects ELEDON PHARMACEUTICALS INC (NASDAQ:ELDN)'s ongoing correction after experiencing a %ABSPERF% loss in the regular trading hours. Earlier today the company had a press release: Eledon Presents Updated Data from Ongoing Phase 1b Trial Evaluating Tegoprubart for Prevention of Rejection in Kidney Transplantation.

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