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

By Mill Chart - 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

TickerChangeComment
MLGO59.13%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.
UPC30.32%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.
CELH18.76%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.
GDYN17.68%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.
HOLO16.81%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%.
GRAL13.69%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.
MELI12.8%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%.
FND11.99%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.
SLRN11.98%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%.
BJRI11.14%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

TickerChangeComment
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.

MERCADOLIBRE INC

NASDAQ:MELI (3/11/2026, 8:10:44 PM)

Premarket: 1735 -31.1 (-1.76%)

1766.1

+24.01 (+1.38%)


BJ'S RESTAURANTS INC

NASDAQ:BJRI (3/11/2026, 8:00:02 PM)

After market: 35.32 0 (0%)

35.32

-1.16 (-3.18%)


AXT INC

NASDAQ:AXTI (3/11/2026, 9:38:53 PM)

Premarket: 46.93 -0.43 (-0.91%)

47.36

+3.06 (+6.91%)


SELECT MEDICAL HOLDINGS CORP

NYSE:SEM (3/11/2026, 8:24:47 PM)

After market: 16.22 +0.02 (+0.12%)

16.2

-0.06 (-0.37%)


ACCO BRANDS CORP

NYSE:ACCO (3/11/2026, 8:04:00 PM)

After market: 3.53 +0.02 (+0.57%)

3.51

-0.12 (-3.31%)


GLOBANT SA

NYSE:GLOB (3/11/2026, 8:04:00 PM)

Premarket: 47.52 -0.28 (-0.59%)

47.8

-0.63 (-1.3%)


GLAUKOS CORP

NYSE:GKOS (3/11/2026, 8:04:00 PM)

After market: 102.86 0 (0%)

102.86

-0.29 (-0.28%)


GRID DYNAMICS HOLDINGS INC

NASDAQ:GDYN (3/11/2026, 8:00:00 PM)

After market: 6.62 0 (0%)

6.62

+0.36 (+5.75%)


UNIVERSE PHARMACEUTICAL-CL A

NASDAQ:UPC (3/11/2026, 8:00:02 PM)

After market: 2.47 -0.04 (-1.59%)

2.51

+0.13 (+5.46%)


WEAVE COMMUNICATIONS INC

NYSE:WEAV (3/11/2026, 8:04:00 PM)

After market: 4.9501 -0.04 (-0.8%)

4.99

+0.06 (+1.22%)


FLOOR & DECOR HOLDINGS INC-A

NYSE:FND (3/11/2026, 8:04:00 PM)

After market: 57.3712 -0.72 (-1.24%)

58.09

-1.64 (-2.75%)


CELSIUS HOLDINGS INC

NASDAQ:CELH (3/11/2026, 8:00:00 PM)

Premarket: 45.05 -0.67 (-1.47%)

45.72

+0.69 (+1.53%)


MICROCLOUD HOLOGRAM INC

NASDAQ:HOLO (3/11/2026, 8:01:51 PM)

Premarket: 2.3 -0.03 (-1.29%)

2.33

+0.14 (+6.39%)


MICROALGO INC

NASDAQ:MLGO (3/11/2026, 8:13:15 PM)

After market: 4.19 -0.03 (-0.71%)

4.22

+0.23 (+5.76%)


MGO GLOBAL INC

NASDAQ:MGOL (2/19/2025, 8:10:52 PM)

After market: 0.3058 -0.06 (-17.35%)

0.37

-0.1 (-20.43%)


ACELYRIN INC

NASDAQ:SLRN (5/20/2025, 8:00:02 PM)

After market: 2.25 -0.02 (-0.88%)

2.27

+0.04 (+1.79%)


VOLATO GROUP INC

NYSEARCA:SOAR (3/11/2026, 8:25:40 PM)

Premarket: 0.3514 -0.01 (-2.69%)

0.3611

-0.01 (-3.71%)


MOBILE-HEALTH NETWORK SOLUTI

NASDAQ:MNDR (3/11/2026, 8:13:28 PM)

Premarket: 0.9015 +0 (+0.37%)

0.8982

0 (-0.12%)


GRAIL INC

NASDAQ:GRAL (3/11/2026, 8:00:41 PM)

After market: 45.75 -0.58 (-1.25%)

46.33

-2.34 (-4.81%)


WORK MEDICAL TECHNOLOGY GR-A

NASDAQ:WOK (3/11/2026, 8:00:02 PM)

After market: 1.11 -0.05 (-4.31%)

1.16

+0.06 (+5.45%)



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