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

Last update: Aug 20, 2025

Discover the top movers in Wednesday's after-hours session and stay informed about the post-market dynamics.

After hours gainers

Ticker	Change	Comment
THAR	18.11%	THARIMMUNE INC's (NASDAQ:THAR) stock price is advancing with 18.11% to a price of $4.24. After a notable 207.0% gain earlier today, THAR maintains its positive momentum during the after-hours session. A press release (Tharimmune Reports Pharmacokinetic Simulation Results for TH104 as Prophylaxis Against Respiratory Depression from Fentanyl and Ultrapotent Opioids, Highlighting Potential Superiority Over Existing Treatments) was released yesterday.
EM	6.8%	After the regular session, SMART SHARE GLOBAL LTD - ADR (NASDAQ:EM) continues to impress in the after-hours session, with a 6.8% increase to $1.41. The stock is trading 22.22% higher than 3 months ago.
IBG	6.5%	INNOVATION BEVERAGE GROUP LT (NASDAQ:IBG) exhibits strong performance after hours, with shares rising 6.5% to $0.61 during Wednesday's after-hours session.
STAI	6.41%	After the regular session, SCANTECH AI SYSTEMS INC (NASDAQ:STAI) continues to impress in the after-hours session, with a 6.41% increase to $0.45. Yesterday the company had a press release: ScanTech AI Strengthens Service Capabilities by Selecting Curie Technologies.
INTS	6.17%	INTENSITY THERAPEUTICS INC (NASDAQ:INTS) rose 6.17% to $0.32 during Wednesday's after hours session. The stock is trading 86.55% lower than 6 months ago.
ARCO	6.08%	ARCOS DORADOS HOLDINGS INC-A's (NYSE:ARCO) shares rose 6.08% to $7.5. Shareholders saw the stock price going 22.98% lower is the past year.
UROY	5.47%	Promising after-hours performance observed for URANIUM ROYALTY CORP (NASDAQ:UROY) as its shares surged 5.47% to $2.7 during Wednesday's after-hours trading. Shareholders saw the stock price going 20.75% higher is the past 6 months.
EHGO	5.19%	ESHALLGO INC (NASDAQ:EHGO) exhibits strong performance after hours, with shares rising 5.19% to $0.73 during Wednesday's after-hours session. Shareholders saw the stock price going 36.81% lower in the past 3 months.
AACG	4.35%	After the regular session, ATA CREATIVITY GLOBAL - ADR (NASDAQ:AACG) continues to impress in the after-hours session, with a 4.35% increase to $1.92. The stock is trading 84.0% higher than a month ago.
INSG	4.31%	Promising after-hours performance observed for INSEEGO CORP (NASDAQ:INSG) as its shares surged 4.31% to $10.17 during Wednesday's after-hours trading. The stock is trading 29.65% higher than a month ago.

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

Today's after hours losers

Ticker	Change	Comment
QH	-38.09%	Today's after-hours session sees a continuation of the %ABSPERF% decrease earlier in the day for QUHUO LTD-ADR (NASDAQ:QH). Shareholders saw the stock price going 93.6% lower in the past month.
GWAV	-30.6%	The after-hours session reflects GREENWAVE TECHNOLOGY SOLUTIO (NASDAQ:GWAV)'s ongoing correction after experiencing a %ABSPERF% loss in the regular trading hours. The stock is trading 42.86% lower than a month ago.
IVVD	-17.17%	Price volatility persists as INVIVYD INC (NASDAQ:IVVD) closed the regular session with a 11.0% loss, and the downward trend continues in the after-hours session. Price movements remain volatile as IVVD gives back 11.0% of its earlier gains in the after-hours session. Earlier today the company had a press release: Invivyd Announces Proposed Public Offering of Common Stock.
DFLIW	-15.7%	CHARDAN NEXTECH ACQUISI-CW27's (NASDAQ:DFLIW) stock price decreased by 15.7% to $0.04. Today's -17.11% drop extends further in today's after-hours session with an additional decline of 15.7%.
STFS	-13.64%	STAR FASHION CULTURE HLDG-A's (NASDAQ:STFS) stock price is showing a decline of 13.64% to a price of $0.38 during the after-hours session. STFS already had a hard day: closing -78.74% lower during the regular session.
WINT	-12.64%	The after-hours session reflects WINDTREE THERAPEUTICS INC (NASDAQ:WINT)'s ongoing correction after experiencing a -77.21% loss in the regular trading hours. The after-hours session reflects WINT's ongoing correction after a -77.21% loss in the regular trading hours.
ELPW	-12.26%	ELONG POWER HOLDING-A's (NASDAQ:ELPW) stock price saw a decrease of 12.26% to $0.35 during Wednesday's after-hours session. Following a -87.55% loss in the regular session, ELPW experiences further decline during today's after-hours session.
SBEV	-11.86%	SPLASH BEVERAGE GROUP INC's (NYSEARCA:SBEV) shares fell 11.86% to $1.71. Today's after-hours session indicates a reversal in SBEV's earlier 27.62% gain, with prices exhibiting heightened volatility.
COTY	-11.52%	The after-hours session reflects COTY INC-CL A (NYSE:COTY)'s ongoing correction after experiencing a %ABSPERF% loss in the regular trading hours. COTY INC-CL A released earnings Yesterday. Earlier today the company had a press release: Coty Reports FY25 and Q4 Results; Targets Sequential LFL and EBITDA Trend Improvement in FY26, Returning to Growth in 2H26.
GNPX	-10.87%	GENPREX INC's (NASDAQ:GNPX) shares fell 10.87% to $0.15 during Wednesday's after hours session. The stock is trading 36.49% lower than a month ago.

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