After-Hours Movers : 08/21/2025

This page highlights NYSE and NASDAQ-listed stocks with the largest percentage movements during the current or most recent after-hours trading session, which runs from 4:00 PM to 8:00 PM Eastern Time. This list excludes companies with stock splits or very low trade volume.

On This Page: More Stocks by Price and Activity

All Gainers Losers

View Pre-Market Movers

After-hours trading hasn't started for today, 08/22/2025. Showing After-Hours trading summaries from 4 PM to 8 PM, EST, on 08/21/2025.

Company	Post-market % Change	Previous Close	Post-Market End	Latest Price	Average Daily Volume	Post-Market Volume	Relative Post-Market Trading	Indicator(s)
MODV ModivCare	+33.4% from previous close	$0.57	$0.75	$0.56	2.31 million	17.40 million	8x daily avg.	News Coverage Upcoming Earnings Gap Down High Trading Volume
GWAV Greenwave Technology Solutions	+13.1% from previous close	$0.09	$0.10	$0.09	3.06 million	22.82 million	7x daily avg.	News Coverage Upcoming Earnings Short Interest ↑ Gap Down High Trading Volume
GOSS Gossamer Bio	-7.6% from previous close	$2.16	$2.01	$2.17	1.94 million	4.42 million	2x daily avg.	Gap Up
ANTE AirMedia Group	+7.5% from previous close	$2.42	$2.37	$2.20	1.13 million	920,840	1/2 daily avg.	News Coverage Short Interest ↑ Trading Halted High Trading Volume
GXAI Gaxos.ai	-7.4% from previous close	$2.76	$2.56	$2.76	2.12 million	32.65 million	15x daily avg.	News Coverage Short Interest ↑ High Trading Volume
KPTI Karyopharm Therapeutics	+7.3% from previous close	$6.06	$6.46	$6.02	127,454	88,331	1/2 daily avg.
NXL Nexalin Technology	+7.0% from previous close	$0.74	$0.78	$0.73	170,855	88,740	1/2 daily avg.	Positive News
AACG ATA	+6.7% from previous close	$1.70	$1.82	$1.71	110,697	43,149	1/3 daily avg.
ZEO Zeo Energy	+6.5% from previous close	$1.96	$2.08	$1.95	1.09 million	31,067	1/16 daily avg.
MNY MoneyHero	+6.5% from previous close	$1.74	$1.85	$1.74	157,373	120,460	1/2 daily avg.	News Coverage Short Interest ↓
Get the Latest News and Ratings for Your Stocks Enter your email address below to receive the latest headlines and analysts' recommendations for your stocks with our free daily email newsletter.
EDSA Edesa Biotech	-6.1% from previous close	$2.39	$2.24	$2.38	763,954	6,990	1/16 daily avg.
MGNX MacroGenics	+5.9% from previous close	$1.46	$1.53	$1.44	905,372	304,008	1/3 daily avg.	Earnings Report
VS Versus Systems	-5.8% from previous close	$1.99	$1.80	$1.91	514,181	2.22 million	4x daily avg.	News Coverage Earnings Report Gap Up High Trading Volume
ZM Zoom Communications	+5.7% from previous close	$73.25	$77.34	$73.17	2.66 million	7.12 million	3x daily avg.	Trending News High Trading Volume
INTU Intuit	-5.6% from previous close	$697.80	$658.87	$697.76	1.77 million	2.50 million	1x daily avg.	Trending News
EVEX EVE	+5.5% from previous close	$3.98	$4.20	$3.98	375,615	1.07 million	3x daily avg.	Analyst Forecast
FTEL Fitell	+5.4% from previous close	$0.46	$0.49	$0.49	500,424	34,394	1/15 daily avg.	Short Interest ↓
ZJYL Jin Medical International	+5.2% from previous close	$0.57	$0.60	$0.57	253,081	127,520	1/2 daily avg.	News Coverage Gap Down
MRSN Mersana Therapeutics	-5.2% from previous close	$8.11	$7.69	$8.11	160,981	308,536	2x daily avg.	Analyst Revision Gap Down High Trading Volume
LIXT Lixte Biotechnology	+5.1% from previous close	$3.32	$3.48	$3.31	852,070	63,056	1/14 daily avg.
AGAE Allied Gaming & Entertainment	-4.9% from previous close	$1.25	$1.19	$1.19	127,456	49,498	1/3 daily avg.	Earnings Report Gap Up
SDA SunCar Technology Group	+4.9% from previous close	$2.33	$2.40	$2.29	277,060	32,573	1/9 daily avg.
MRM MEDIROM Healthcare Technologies	+4.8% from previous close	$1.78	$1.81	$1.73	1.63 million	39,965	1/16 daily avg.	Positive News Gap Down
NMAX Newsmax	+4.7% from previous close	$14.37	$15.05	$14.37	1.79 million	1.71 million	1/2 daily avg.	News Coverage Earnings Report Analyst Forecast Gap Up High Trading Volume
PI Impinj	-4.5% from previous close	$167.63	$160.60	$168.21	629,542	348,430	1/2 daily avg.	Positive News
ARBK Argo Blockchain	+4.5% from previous close	$0.27	$0.28	$0.27	5.28 million	955,774	1/6 daily avg.	News Coverage Upcoming Earnings Short Interest ↓ Gap Down
SYTA Siyata Mobile	-4.5% from previous close	$2.67	$2.56	$2.68	4.29 million	342,508	1/13 daily avg.	Positive News Earnings Report
OPCH Option Care Health	+4.4% from previous close	$27.81	$29.07	$27.84	1.85 million	2.14 million	1x daily avg.	News Coverage Positive News Insider Trade
GFR Greenfire Resources	-4.3% from previous close	$4.47	$4.27	$4.47	74,309	68,239	1/2 daily avg.	News Coverage Positive News Short Interest ↑ Gap Up High Trading Volume
MRVI Maravai LifeSciences	+4.3% from previous close	$2.39	$2.49	$2.39	2.41 million	687,098	1/4 daily avg.	Options Volume
FLUX Flux Power	-4.3% from previous close	$1.72	$1.69	$1.76	76,190	455,399	6x daily avg.	Gap Down High Trading Volume
OESX Orion Energy Systems	+4.2% from previous close	$0.60	$0.62	$0.60	129,790	259,256	2x daily avg.	Short Interest ↓
APYX Apyx Medical	-4.2% from previous close	$2.09	$2.00	$2.06	115,040	58,051	1/2 daily avg.
LESL Leslie's	-4.2% from previous close	$0.30	$0.29	$0.30	4.98 million	2.45 million	1/2 daily avg.	Trending News
WDAY Workday	-4.1% from previous close	$227.34	$218.25	$227.58	2.39 million	6.35 million	3x daily avg.	Trending News Analyst Forecast Analyst Revision
KNDI Kandi Technologies Group	+4.1% from previous close	$1.59	$1.65	$1.58	189,408	563,244	3x daily avg.
EQ Equillium	-4.0% from previous close	$1.54	$1.50	$1.56	3.44 million	4.85 million	1x daily avg.	Earnings Report
ANRO Alto Neuroscience	-4.0% from previous close	$3.59	$3.45	$3.59	260,828	122,559	1/2 daily avg.	Trending News Analyst Forecast Analyst Revision
ALUR Allurion Technologies	+4.0% from previous close	$1.99	$2.07	$1.99	1.25 million	65,915	1/16 daily avg.	Earnings Report
OSTX OS Therapies	+4.0% from previous close	$2.44	$2.50	$2.40	733,711	1.80 million	2x daily avg.	Analyst Forecast High Trading Volume
When the levee breaks (Ad) The U.S. Treasury just confirmed it plans to borrow $1.01 trillion this quarter—nearly double what was projected. According to Porter Stansberry, this is panic-level borrowing… and a clear sign we’re nearing America’s financial breaking point. In his latest emergency briefing, Porter outlines why the cracks in our system are widening fast—and how Trump’s policies may be accelerating the collapse. More importantly, he reveals three moves you can make now to protect and potentially grow your wealth before the levee breaks. Click here to watch the urgent broadcast and get ahead of what’s coming.
TRIB Trinity Biotech	-3.9% from previous close	$1.58	$1.50	$1.56	2.86 million	1.13 million	1/3 daily avg.	News Coverage Upcoming Earnings Gap Down
CMBM Cambium Networks	+3.9% from previous close	$0.67	$0.71	$0.68	1.03 million	163,764	1/6 daily avg.
IMRX Immuneering	-3.9% from previous close	$4.65	$4.45	$4.63	1.25 million	6.44 million	5x daily avg.	News Coverage Gap Up High Trading Volume
CYBN Cybin	+3.8% from previous close	$6.95	$7.19	$6.92	318,030	503,722	2x daily avg.	Trending News Analyst Revision
PAYC Paycom Software	+3.8% from previous close	$225.43	$234.05	$225.43	626,727	439,211	1/2 daily avg.	Positive News
PROP Prairie Operating	+3.8% from previous close	$2.22	$2.31	$2.22	972,674	1.97 million	2x daily avg.	Insider Trade
ARES Ares Management	+3.7% from previous close	$178.32	$184.94	$178.32	1.63 million	1.04 million	1/2 daily avg.	Insider Trade
DHX DHI Group	+3.7% from previous close	$2.55	$2.64	$2.55	140,858	185,151	1x daily avg.	Short Interest ↓ High Trading Volume
RENT Rent the Runway	+3.7% from previous close	$5.79	$5.82	$5.61	91,254	2.15 million	24x daily avg.	News Coverage Gap Up High Trading Volume
SSP E.W. Scripps	+3.7% from previous close	$3.15	$3.26	$3.14	990,374	839,147	1/2 daily avg.

More Stock Ideas from MarketBeat

Stock Gainers

Stock Decliners

Most Active Stocks

More Stock Lists

Get 30 Days of MarketBeat All Access for Free

Start Your 30-Day Trial

In-depth profiles and analysis for 20,000 public companies.
Real-time analyst ratings, insider transactions, earnings data, and more.
Our daily ratings and market update email newsletter.

Sign In
Create Account

Your Email Address:

Your Password:

Forgot your password?

Your Email Address:

Choose a Password:

By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

After-Hours Movers : 08/21/2025

More Stock Ideas from MarketBeat

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools

About MarketBeat

MarketBeat Products

Popular Tools

Financial Calendars

Terms & Info

After-Hours Movers : 08/21/2025

More Stock Ideas from MarketBeat

MarketBeat All Access Features

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools