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

Last update: Oct 28, 2025

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

Gainers

Ticker	Change	Comment
EDUC	34.23%	EDUCATIONAL DEVELOPMENT CORP's (NASDAQ:EDUC) shares rose 34.23% to $2.0. In the last year the stock lost 27.49%.
SSKN	32.7%	STRATA SKIN SCIENCES INC's (NASDAQ:SSKN) stock price is advancing with 32.7% to a price of $2.56. Today's 14.88% gain extends further in today's after-hours session with an additional 32.7% increase.
TLIH	21.43%	TEN-LEAGUE INTERNATIONAL HLD (NASDAQ:TLIH) showcases remarkable after-hours performance, with a 21.43% rise to $0.51 during Tuesday's after-hours trading. The stock is trading 42.39% lower than a month ago.
TER	21.2%	TERADYNE INC's (NASDAQ:TER) shares rose 21.2% to $174.99 during Tuesday's after hours session. TERADYNE INC released earnings Yesterday. A press release (Teradyne Announces Chief Financial Officer Transition) was released earlier today.
XXII	17.22%	22ND CENTURY GROUP INC's (NASDAQ:XXII) stock price is advancing with 17.22% to a price of $1.77. The stock is trading 38.87% lower than 3 months ago.
CPSH	16.92%	Impressive after-hours gains for CPS TECHNOLOGIES CORP (NASDAQ:CPSH) as its stock price advanced 16.92% to $4.7 during Tuesday's after-hours session. CPSH released their earnings today. Shareholders saw the stock price going 38.62% higher in the past 3 months.
GNTA	15.83%	Impressive after-hours gains for GENENTA SCIENCE SPA - ADR (NASDAQ:GNTA) as its stock price advanced 15.83% to $2.78 during Tuesday's after-hours session. After experiencing a -27.71% decline earlier today, GNTA shows signs of a rebound in today's after-hours session. A press release (Genenta Announces Pricing of $15.0 Million Registered Direct Offering of American Depositary Shares) was released two days ago.
BBNX	14.23%	In the after-hours session on Tuesday, BETA BIONICS INC (NASDAQ:BBNX) experienced a notable 14.23% increase, driving its shares to $27.73. BETA BIONICS INC released earnings Yesterday. A press release (Beta Bionics Reports Third Quarter 2025 Financial Results and Raises Full Year 2025 Guidance) was released earlier today.
NPWR	11.59%	NET POWER INC's (NYSE:NPWR) stock price is advancing with 11.59% to a price of $3.85. The stock is trading 31.18% higher than 3 months ago.
FGL	11.07%	FOUNDER GROUP LTD-A's (NASDAQ:FGL) shares rose 11.07% to $0.5. The positive market sentiment seen in today's regular session, where FGL closed with a 27.8% gain, carries over into the after-hours session.

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

After hours losers

Ticker	Change	Comment
SEE	-38.1%	SEALED AIR CORP's (NYSE:SEE) shares fell 38.1% to $21.3 during Tuesday's after hours session. The stock is trading 20.86% higher than 3 months ago.
LRN	-34.87%	Price volatility persists as STRIDE INC (NYSE:LRN) closed the regular session with a %ABSPERF% loss, and the downward trend continues in the after-hours session. STRIDE INC released earnings Yesterday. A press release (Strong Demand Drives Growth) was released earlier today.
VRNS	-32.14%	VARONIS SYSTEMS INC's (NASDAQ:VRNS) shares fell 32.14% to $42.75. VARONIS SYSTEMS INC released earnings Yesterday. The stock is trading 46.48% higher than 6 months ago.
AKBA	-22.29%	AKEBIA THERAPEUTICS INC's (NASDAQ:AKBA) shares fell 22.29% to $2.4 during Tuesday's after hours session. The stock is trading 26.12% higher than 6 months ago.
STFS	-22.12%	STAR FASHION CULTURE HLDG-A's (NASDAQ:STFS) shares fell 22.12% to $0.17 during Tuesday's after hours session. Prices are quite volatile now: this is a reversal from 34.47% gain.
MSPRW	-15.38%	MSP RECOVERY INC -27's (NASDAQ:MSPRW) shares declined by 15.38% to $0.0 during Tuesday's after-hours session. The stock is trading 44.44% higher than a month ago.
MSPR	-14.83%	MSP RECOVERY INC's (NASDAQ:MSPR) stock price saw a decrease of 14.83% to $0.81 during Tuesday's after-hours session. Following today's 15.59% gain, MSPR experiences a 14.83% decline in today's after-hours session.
TYGO	-14.57%	TIGO ENERGY INC's (NASDAQ:TYGO) shares fell 14.57% to $2.17 during Tuesday's after hours session. yesterday the company released their earnings. A press release (Tigo Energy Reports Third Quarter 2025 Financial Results) was released earlier today.
XHLD	-14.0%	TEN HOLDINGS INC's (NASDAQ:XHLD) shares experienced a 14.0% decrease to $0.37 in the after-hours session. Following a 51.89% increase in the regular trading session, XHLD is showing signs of weakness with a 14.0% decline in after-hours trading.
GCTK	-12.05%	GLUCOTRACK INC's (NASDAQ:GCTK) shares experienced a 12.05% decrease to $6.42 in the after-hours session. Yesterday the company had a press release: Glucotrack, Inc. Reminds Shareholders to Vote.

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