Curious about the stocks that are showing activity after the closing bell on Tuesday?

After the conclusion of the US market's regular session on Tuesday, let's examine the after-hours session and unveil the notable performers among the top gainers and losers.

[postmarket]

TODAY'S AFTER HOURS GAINERS

TICKER
CHANGE
COMMENT

STI [https://www.chartmill.com/stock/quote/STI/profile]
32.62%
Impressive after-hours gains for SOLIDION TECHNOLOGY INC (NASDAQ:STI [https://www.chartmill.com/stock/quote/STI/profile]) as its stock price advanced 32.62% to $4.35 during Tuesday's after-hours session. In the last 6 months the share price dropped with 52.5%.

IPDN [https://www.chartmill.com/stock/quote/IPDN/profile]
25.61%
PROFESSIONAL DIVERSITY NETWO's (NASDAQ:IPDN [https://www.chartmill.com/stock/quote/IPDN/profile]) shares rose 25.61% to $8.73. Shareholders saw the stock price going 288.0% higher in the past month.

HWH [https://www.chartmill.com/stock/quote/HWH/profile]
12.08%
Impressive after-hours gains for HWH INTERNATIONAL INC (NASDAQ:HWH [https://www.chartmill.com/stock/quote/HWH/profile]) as its stock price advanced 12.08% to $5.29 during Tuesday's after-hours session. Continuing the upward trend from today's 228.0% gain, HWH shows further advancement in the after-hours session.

AMIX [https://www.chartmill.com/stock/quote/AMIX/profile]
8.06%
AUTONOMIX MEDICAL INC (NASDAQ:AMIX [https://www.chartmill.com/stock/quote/AMIX/profile]) showcases remarkable after-hours performance, with a 8.06% rise to $1.34 during Tuesday's after-hours trading. Furthermore, during the regular session, AMIX had a very successful day, with shares closing 10.71% higher.

AEI [https://www.chartmill.com/stock/quote/AEI/profile]
7.41%
ALSET INC's (NASDAQ:AEI [https://www.chartmill.com/stock/quote/AEI/profile]) stock price is advancing with 7.41% to a price of $1.74. The positive market sentiment seen in today's regular session, where AEI closed with a 14.89% gain, carries over into the after-hours session.

GOOGL [https://www.chartmill.com/stock/quote/GOOGL/profile]
6.8%
Impressive after-hours gains for ALPHABET INC-CL A (NASDAQ:GOOGL [https://www.chartmill.com/stock/quote/GOOGL/profile]) as its stock price advanced 6.8% to $225.72 during Tuesday's after-hours session. In the last 3 months the share price increased with 21.69%.

GOOG [https://www.chartmill.com/stock/quote/GOOG/profile]
6.53%
In the after-hours session on Tuesday, ALPHABET INC-CL C (NASDAQ:GOOG [https://www.chartmill.com/stock/quote/GOOG/profile]) experienced a notable 6.53% increase, driving its shares to $225.83. Shareholders saw the stock price going 21.19% higher in the past 3 months.

UPB [https://www.chartmill.com/stock/quote/UPB/profile]
6.12%
UPSTREAM BIO INC (NASDAQ:UPB [https://www.chartmill.com/stock/quote/UPB/profile]) exhibits strong performance after hours, with shares rising 6.12% to $21.5 during Tuesday's after-hours session. Continuing the upward trend from today's 18.27% gain, UPB shows further advancement in the after-hours session.

NXTT [https://www.chartmill.com/stock/quote/NXTT/profile]
4.88%
After the closing bell, NEXT TECHNOLOGY HOLDING INC (NASDAQ:NXTT [https://www.chartmill.com/stock/quote/NXTT/profile]) demonstrated strong momentum in the after-hours session, with a 4.88% rise to $0.27. Amidst today's -42.4% decline, we observe signs of recovery during the after-hours session for NXTT.

REVG [https://www.chartmill.com/stock/quote/REVG/profile]
4.69%
Positive after-hours movement for REV GROUP INC (NYSE:REVG [https://www.chartmill.com/stock/quote/REVG/profile]) as its shares recorded a 4.69% increase, reaching $54.23 during Tuesday's after-hours session. REV GROUP INC released earnings today. The stock is trading 67.04% higher than 6 months ago.

To see the full list of after hours gainers you can use our after hours gainers [https://www.chartmill.com/stock/market/after-market-movers/usa-nyse-nasdaq-amex] page.

TODAY'S AFTER HOURS LOSERS

TICKER
CHANGE
COMMENT

CHSN [https://www.chartmill.com/stock/quote/CHSN/profile]
-9.29%
Following a 32.16% loss in the regular session, CHANSON INTERNATIONAL HOLD-A (NASDAQ:CHSN [https://www.chartmill.com/stock/quote/CHSN/profile]) exhibits further decline during today's after-hours session. Price volatility intensifies as CHSN retraces its 32.16% gain during the after-hours session.

BRKR [https://www.chartmill.com/stock/quote/BRKR/profile]
-9.12%
BRUKER CORP'S (NASDAQ:BRKR [https://www.chartmill.com/stock/quote/BRKR/profile]) shares declined by 9.12% to $30.2 during Tuesday's after-hours session. Earlier today the company had a press release: Bruker Announces Public Offering of $600 Million of Mandatory Convertible Preferred Stock [https://www.chartmill.com/news/BRKR/bizwire-2025-9-2-bruker-announces-public-offering-of-600-million-of-mandatory-convertible-preferred-stock].

HOTH [https://www.chartmill.com/stock/quote/HOTH/profile]
-7.03%
Following a 10.34% loss in the regular session, HOTH THERAPEUTICS INC (NASDAQ:HOTH [https://www.chartmill.com/stock/quote/HOTH/profile]) exhibits further decline during today's after-hours session. Price volatility intensifies as HOTH retraces its 10.34% gain during the after-hours session.

YYAI [https://www.chartmill.com/stock/quote/YYAI/profile]
-6.97%
After today's -23.99% drop, CONNEXA SPORTS TECHNOLOGIES (NASDAQ:YYAI [https://www.chartmill.com/stock/quote/YYAI/profile]) shows further decline during today's after-hours session with a 6.97% decrease. YYAI already had a hard day: closing -23.99% lower during the regular session.

CARM [https://www.chartmill.com/stock/quote/CARM/profile]
-6.57%
CARISMA THERAPEUTICS INC'S (NASDAQ:CARM [https://www.chartmill.com/stock/quote/CARM/profile]) stock price decreased by 6.57% to $0.41. Today's after-hours session indicates a reversal in CARM's earlier 105.0% gain, with prices exhibiting heightened volatility.

OVID [https://www.chartmill.com/stock/quote/OVID/profile]
-6.5%
Today's after-hours session sees a continuation of the %ABSPERF% decrease earlier in the day for OVID THERAPEUTICS INC (NASDAQ:OVID [https://www.chartmill.com/stock/quote/OVID/profile]). The stock is trading 148.0% higher than a month ago.

VFF [https://www.chartmill.com/stock/quote/VFF/profile]
-6.25%
After today's -16.82% drop, VILLAGE FARMS INTERNATIONAL (NASDAQ:VFF [https://www.chartmill.com/stock/quote/VFF/profile]) shows further decline during today's after-hours session with a 6.25% decrease. Today's -16.82% drop extends further in today's after-hours session with an additional decline of 6.25%.

PMAX [https://www.chartmill.com/stock/quote/PMAX/profile]
-6.06%
POWELL MAX LTD-CL A'S (NASDAQ:PMAX [https://www.chartmill.com/stock/quote/PMAX/profile]) stock price is declining with 6.06% to a price of $0.31. Shareholders saw the stock price going 21.22% lower in the past 3 months.

GMGI [https://www.chartmill.com/stock/quote/GMGI/profile]
-5.05%
GOLDEN MATRIX GROUP INC'S (NASDAQ:GMGI [https://www.chartmill.com/stock/quote/GMGI/profile]) stock price is showing a decline of 5.05% to a price of $0.94 during the after-hours session. It appears that the downward trend persists as GMGI also experienced a -19.51% decline during the regular session.

GORO [https://www.chartmill.com/stock/quote/GORO/profile]
-4.92%
GOLD RESOURCE CORP'S (NYSEARCA:GORO [https://www.chartmill.com/stock/quote/GORO/profile]) shares declined by 4.92% to $0.56 during Tuesday's after-hours session. Today's after-hours session indicates a reversal in GORO's earlier 15.8% gain, with prices exhibiting heightened volatility.

For the full after hours loser list go to our after hours losers [https://www.chartmill.com/stock/market/after-market-movers/usa-nyse-nasdaq-amex] page.