Friday's after hours session: top gainers and losers
By Mill Chart
Last update: Sep 5, 2025
Wondering what's happening in today's after-hours session? Stay tuned for the latest updates on stock movements.
Today's after hours gainers
| Ticker | Change | Comment |
|---|---|---|
| GTBP | 29.79% | Impressive after-hours gains for GT BIOPHARMA INC (NASDAQ:GTBP) as its stock price advanced 29.79% to $1.22 during Friday's after-hours session. Shareholders saw the stock price going 48.36% lower in the past month. |
| RAPP | 23.26% | RAPPORT THERAPEUTICS INC's (NASDAQ:RAPP) shares rose 23.26% to $17.7 during Friday's after hours session. In the last 6 months the stock gained 67.17%. |
| CLRO | 22.0% | Positive after-hours movement for CLEARONE INC (NASDAQ:CLRO) as its shares recorded a 22.0% increase, reaching $5.99 during Friday's after-hours session. This is a continuation of today's gain of 18.31%. |
| OPTX | 20.67% | Promising after-hours performance observed for SYNTEC OPTICS HOLDINGS INC (NASDAQ:OPTX) as its shares surged 20.67% to $1.81 during Friday's after-hours trading. Earlier today the company had a press release: Syntec Optics (Nasdaq: OPTX) Launches Pioneering New York State Apprenticeship Program to Foster U.S. Advanced Manufacturing. |
| HOUR | 15.62% | In the after-hours session on Friday, HOUR LOOP INC (NASDAQ:HOUR) experienced a notable 15.62% increase, driving its shares to $4.22. This is a continuation of today's 93.12% gain, as HOUR maintains its upward trajectory in the after-hours session. |
| CIGL | 13.21% | CONCORDE INTERNATION-CLASS A (NASDAQ:CIGL) showcases remarkable after-hours performance, with a 13.21% rise to $4.8 during Friday's after-hours trading. After a notable 45.7% gain earlier today, CIGL maintains its positive momentum during the after-hours session. |
| ACRV | 12.77% | Impressive after-hours gains for ACRIVON THERAPEUTICS INC (NASDAQ:ACRV) as its stock price advanced 12.77% to $1.5 during Friday's after-hours session. In the last 6 months the share price dropped with 75.99%. |
| SKYQ | 11.08% | Notable gains for SKY QUARRY INC (NASDAQ:SKYQ) in the after-hours session, with a 11.08% rise to $0.46 during Friday. Shareholders saw the stock price going 50.25% lower in the past 3 months. |
| TNFA | 10.3% | TNF PHARMACEUTICALS INC (NASDAQ:TNFA) showcases remarkable after-hours performance, with a 10.3% rise to $3.64 during Friday's after-hours trading. In the last month the stock lost 66.46%. |
| GRYP | 9.41% | Notable gains for GRYPHON DIGITAL MINING INC (NASDAQ:GRYP) in the after-hours session, with a 9.41% rise to $1.51 during Friday. Following a -10.39% loss in the regular session, GRYP displays significant price volatility in today's after-hours session. |
For the full after hours gainers list go to our after hours gainers page.
After hours losers
| Ticker | Change | Comment |
|---|---|---|
| GNPX | -14.38% | Price volatility persists as GENPREX INC (NASDAQ:GNPX) closed the regular session with a 47.4% loss, and the downward trend continues in the after-hours session. Price volatility intensifies as GNPX retraces its 47.4% gain during the after-hours session. |
| PFAI | -8.85% | PINNACLE FOOD GROUP LTD-A's (NASDAQ:PFAI) shares fell 8.85% to $2.37 during Friday's after hours session. After running up 44.44% in today's session, PFAI is pulling back after hours. |
| CREG | -8.16% | Today's after-hours session sees a continuation of the 10.54% decrease earlier in the day for SMART POWERR CORP (NASDAQ:CREG). Following today's 10.54% gain, CREG experiences a 8.16% decline in today's after-hours session. |
| VEEE | -8.1% | Following a 46.39% loss in the regular session, TWIN VEE POWERCATS CO (NASDAQ:VEEE) exhibits further decline during today's after-hours session. Despite a strong 46.39% gain earlier today, VEEE is experiencing a reversal in after-hours trading, with prices declining by 8.1%. |
| WAI | -6.9% | TOP KINGWIN LTD-A's (NASDAQ:WAI) shares fell 6.9% to $0.11 during Friday's after hours session. A press release (Top KingWin Ltd Announces 1-For-25 Reverse Share Split) was released two days ago. |
| CARM | -6.74% | CARISMA THERAPEUTICS INC's (NASDAQ:CARM) shares declined by 6.74% to $0.37 during Friday's after-hours session. Prices are quite volatile now: this is a reversal from 25.59% gain. |
| KXIN | -6.34% | Following a 13.57% loss in the regular session, KAIXIN HOLDINGS (NASDAQ:KXIN) exhibits further decline during today's after-hours session. Prices are quite volatile now: this is a reversal from 13.57% gain. |
| HKPD | -5.79% | Price volatility persists as HONG KONG PHARMA DIGITAL TEC (NASDAQ:HKPD) closed the regular session with a 16.35% loss, and the downward trend continues in the after-hours session. After a notable 16.35% increase earlier today, HKPD shows signs of a pullback during the after-hours session. |
| MSPR | -5.49% | MSP RECOVERY INC's (NASDAQ:MSPR) stock price is showing a decline of 5.49% to a price of $2.41 during the after-hours session. After running up 13.84% in today's session, MSPR is pulling back after hours. |
Our after hours losers page will show you the full list.
4.91
+0.76 (+18.31%)
1.47
+0.14 (+10.54%)
0.2295
+0.07 (+47.4%)
0.678
+0.08 (+13.57%)
0.94
+0.01 (+1.18%)
2.84
+0.9 (+46.39%)
3.65
+1.76 (+93.12%)
2.55
+0.31 (+13.84%)
1.33
+0.03 (+2.31%)
0.4019
+0.08 (+25.59%)
1.5
-0.04 (-2.6%)
1.38
-0.16 (-10.39%)
14.36
-0.99 (-6.45%)
3.3
-0.31 (-8.59%)
0.42
+0.01 (+1.94%)
0.116
-0.01 (-7.94%)
1.21
+0.17 (+16.35%)
2.6
+0.8 (+44.44%)
4.24
+1.33 (+45.7%)
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