Wondering what's happening in today's after-hours session?

Last update: Feb 20, 2025

The US market regular session of Thursday is over, let's have a look at the top gainers and losers in the after hours session today.

After hours gainers

Ticker	Change	Comment
MLGO	59.13%	Positive after-hours movement for MICROALGO INC (NASDAQ:MLGO) as its shares recorded a 59.13% increase, reaching $1.83 during Thursday's after-hours session. Shareholders saw the stock price going 28.13% lower in the past month.
UPC	30.32%	UNIVERSE PHARMACEUTICALS INC (NASDAQ:UPC) exhibits strong performance after hours, with shares rising 30.32% to $0.19 during Thursday's after-hours session. Shareholders saw the stock price going 70.95% lower in the past month.
CELH	18.76%	After the regular session, CELSIUS HOLDINGS INC (NASDAQ:CELH) continues to impress in the after-hours session, with a 18.76% increase to $30.32. A press release (Celsius Holdings to Acquire Alani Nu®, Creating a Leading Better-For-You, Functional Lifestyle Platform) was released earlier today.
GDYN	17.68%	Positive market activity for GRID DYNAMICS HOLDINGS INC (NASDAQ:GDYN) after regular trading hours, with a 17.68% increase to $24.1 in the after-hours session on Thursday. yesterday the company released their earnings. A press release (Grid Dynamics Reports Fourth Quarter and Full Year 2024 Financial Results) was released earlier today.
HOLO	16.81%	MICROCLOUD HOLOGRAM INC's (NASDAQ:HOLO) shares rose 16.81% to $1.39 during Thursday's after hours session. In the last month the share price dropped with 28.31%.
GRAL	13.69%	After the closing bell, GRAIL INC (NASDAQ:GRAL) demonstrated strong momentum in the after-hours session, with a 13.69% rise to $54.3. GRAIL INC released earnings Yesterday. The stock is trading 111.0% higher than a month ago.
MELI	12.8%	Promising after-hours performance observed for MERCADOLIBRE INC (NASDAQ:MELI) as its shares surged 12.8% to $2.38K during Thursday's after-hours trading. yesterday the company released their earnings. In the last year the stock gained 29.53%.
FND	11.99%	In the after-hours session on Thursday, FLOOR & DECOR HOLDINGS INC-A (NYSE:FND) experienced a notable 11.99% increase, driving its shares to $103.97. The company's earnings where released Yesterday. Shareholders saw the stock price going 20.72% lower is the past year.
SLRN	11.98%	Notable gains for ACELYRIN INC (NASDAQ:SLRN) in the after-hours session, with a 11.98% rise to $2.43 during Thursday. In the last 3 months the stock lost 53.83%.
BJRI	11.14%	BJ'S RESTAURANTS INC's (NASDAQ:BJRI) shares rose 11.14% to $39.72. The company's earnings where released Yesterday.

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

Today's after hours losers

Ticker	Change	Comment
MGOL	-17.35%	MGO GLOBAL INC's (NASDAQ:MGOL) stock price decreased by 17.35% to $0.31. The after-hours session reflects NASDAQ:MGOL's ongoing correction after a -20.43% loss in the regular trading hours.
GKOS	-14.84%	Today's after-hours session sees a continuation of the %ABSPERF% decrease earlier in the day for NYSE:GKOS. The company's earnings where released Yesterday. A press release (Glaukos Announces Fourth Quarter and Full Year 2024 Financial Results) was released earlier today.
SEM	-13.08%	The after-hours session reflects NYSE:SEM's ongoing correction after experiencing a %ABSPERF% loss in the regular trading hours. SELECT MEDICAL HOLDINGS CORP released earnings Yesterday. In the last 3 months the stock lost 51.95%.
SOAR	-12.7%	After today's 49.25% drop, NYSEARCA:SOAR shows further decline during today's after-hours session with a 12.7% decrease. Despite a significant 49.25% gain earlier today, NYSEARCA:SOAR faces a reversal and declines in the after-hours session. A press release (Vaunt Surpasses $1.5M ARR in First Year, 100,000 Downloads, and 590 Flights—Fueling Unforgettable Travel Experiences) was released earlier today.
AXTI	-11.79%	The after-hours session reflects NASDAQ:AXTI's ongoing correction after experiencing a %ABSPERF% loss in the regular trading hours. AXT INC released earnings Yesterday. A press release (AXT, Inc. Announces Fourth Quarter and Fiscal Year 2024 Financial Results) was released earlier today.
ACCO	-11.23%	After today's %ABSPERF% drop, NYSE:ACCO shows further decline during today's after-hours session with a 11.23% decrease. ACCO BRANDS CORP released earnings Yesterday. Earlier today the company had a press release: ACCO Brands Reports Fourth Quarter and Full Year Results and Provides Outlook for 2025.
WEAV	-10.66%	WEAVE COMMUNICATIONS INC's (NYSE:WEAV) shares fell 10.66% to $15.09. WEAVE COMMUNICATIONS INC released earnings Yesterday. Earlier today the company had a press release: Weave Announces Fourth Quarter and Full Year 2024 Financial Results.
GLOB	-10.11%	GLOBANT SA's (NYSE:GLOB) shares declined by 10.11% to $188.91 during Thursday's after-hours session.
WOK	-9.7%	WORK MEDICAL TECHNOLOGY GROU's (NASDAQ:WOK) stock price decreased by 9.7% to $1.21. It looks like the bad days are not over yet: NASDAQ:WOK also declined by -46.18% during the regular session.
MNDR	-9.55%	MOBILE-HEALTH NETWORK SOLUTI's (NASDAQ:MNDR) stock price is declining with 9.55% to a price of $0.85. Price volatility intensifies as NASDAQ:MNDR retraces its 185.0% gain during the after-hours session.

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