Curious about the stocks that are showing activity after the closing bell on Monday?
By Mill Chart
Last update: Aug 18, 2025
The US market regular session of Monday 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 |
|---|---|---|
| LASE | 48.78% | After the closing bell, LASER PHOTONICS CORP (NASDAQ:LASE) demonstrated strong momentum in the after-hours session, with a 48.78% rise to $3.66. Earlier today the company had a press release: Laser Photonics Reports Q2 2025 Revenue Growth of 317% Year-Over-Year. |
| GTI | 39.02% | GRAPHJET TECHNOLOGY (NASDAQ:GTI) rose 39.02% to $0.13 during Monday's after hours session. Earlier today the company had a press release: Graphjet to collaborate with Universiti Kebangsaan Malaysia for the development of thermal management material using graphite. |
| TBBB | 36.12% | Notable gains for BBB FOODS INC-CLASS A (NYSE:TBBB) in the after-hours session, with a 36.12% rise to $34.64 during Monday. The stock is trading 22.12% lower than a year ago. |
| WALD | 36.11% | WALDENCAST PLC-A (NASDAQ:WALD) exhibits strong performance after hours, with shares rising 36.11% to $2.45 during Monday's after-hours session. yesterday the company released their earnings. In the last month the share price dropped with 21.4%. |
| LIDR | 20.78% | AEYE INC (NASDAQ:LIDR) rose 20.78% to $3.14 during Monday's after hours session. A press release (AEye and Black Sesame Technologies Sign Strategic Cooperation Agreement to Advance Autonomous Safety in China) was released earlier today. |
| WGRX | 17.35% | Promising after-hours performance observed for WELLGISTICS HEALTH INC (NASDAQ:WGRX) as its shares surged 17.35% to $0.88 during Monday's after-hours trading. The positive market sentiment seen in today's regular session, where WGRX closed with a 20.75% gain, carries over into the after-hours session. |
| IVVD | 8.4% | INVIVYD INC's (NASDAQ:IVVD) shares rose 8.4% to $0.63. Following a -17.82% loss in the regular session, IVVD is displaying signs of recovery during the after-hours session. INVIVYD INC released earnings today. Earlier today the company had a press release: Invivyd Announces Continued Neutralizing Activity of PEMGARDA® (pemivibart) and VYD2311 Against Currently Dominant SARS-CoV-2 Variant XFG (“Stratus”). |
| XFOR | 7.63% | Notable gains for X4 PHARMACEUTICALS INC (NASDAQ:XFOR) in the after-hours session, with a 7.63% rise to $2.68 during Monday. Prices are quite volatile here as XFOR closed with a -12.63% loss today. |
| WHLR | 7.5% | Notable gains for WHEELER REAL ESTATE INVESTME (NASDAQ:WHLR) in the after-hours session, with a 7.5% rise to $2.15 during Monday. In the last month the share price dropped with 56.04%. |
| IOVA | 6.4% | Impressive after-hours gains for IOVANCE BIOTHERAPEUTICS INC (NASDAQ:IOVA) as its stock price advanced 6.4% to $2.66 during Monday's after-hours session. Earlier today the company had a press release: Iovance’s Amtagvi® (lifileucel) Receives Health Canada Approval for Advanced Melanoma. |
Our after hours gainers page will show you the full list.
Today's after hours losers
| Ticker | Change | Comment |
|---|---|---|
| OTRK | -19.67% | ONTRAK INC's (NASDAQ:OTRK) shares fell 19.67% to $0.27. OTRK had a challenging day, closing -11.98% lower during the regular session, and the downward trend continues in the after-hours session. |
| ALXO | -19.59% | ALX ONCOLOGY HOLDINGS INC's (NASDAQ:ALXO) stock price decreased by 19.59% to $0.78. After registering a 50.55% gain earlier today, ALXO is experiencing a 19.59% decline in today's after-hours session. |
| IBIO | -17.57% | IBIO INC's (NASDAQ:IBIO) stock price is showing a decline of 17.57% to a price of $0.61 during the after-hours session. In the last 6 months the stock lost 78.66%. |
| ATNFW | -13.95% | KBL MERGER CORP IV - CW23's (NASDAQ:ATNFW) shares experienced a 13.95% decrease to $0.37 in the after-hours session. In the last month the share price increased with 5.0K%. |
| VTAK | -10.35% | CATHETER PRECISION INC's (NYSEARCA:VTAK) shares declined by 10.35% to $3.81 during Monday's after-hours session. After a notable 62.84% increase earlier today, VTAK shows signs of a pullback during the after-hours session. Yesterday the company had a press release: Catheter Precision Receives Approval for LockeT in the United Kingdom. |
| SNGX | -10.28% | After today's 78.42% drop, SOLIGENIX INC (NASDAQ:SNGX) shows further decline during today's after-hours session with a 10.28% decrease. Following a 78.42% increase in the regular trading session, SNGX is showing signs of weakness with a 10.28% decline in after-hours trading. |
| SRXH | -7.07% | SRX HEALTH SOLUTIONS INC's (NYSEARCA:SRXH) shares fell 7.07% to $0.39 during Monday's after hours session. It appears that the downward trend persists as SRXH also experienced a -16.02% decline during the regular session. |
| BLNK | -6.31% | Today's after-hours session sees a continuation of the %ABSPERF% decrease earlier in the day for BLINK CHARGING CO (NASDAQ:BLNK). yesterday the company released their earnings. Shareholders saw the stock price going 42.88% higher in the past 3 months. |
| PMNT | -4.89% | PERFECT MOMENT LTD's (NYSEARCA:PMNT) shares fell 4.89% to $0.53 during Monday's after hours session. In the last month the share price increased with 55.56%. |
| RVSN | -4.76% | Today's after-hours session sees a continuation of the 11.7% decrease earlier in the day for RAIL VISION LTD (NASDAQ:RVSN). Following a 11.7% increase in the regular trading session, RVSN is showing signs of weakness with a 4.76% decline in after-hours trading. |
For the full after hours loser list go to our after hours losers page.
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