What's going on in today's after hours session

Last update: Oct 10, 2023

The regular session of the US market on Tuesday is now over, but let's get a preview of the after-hours session and explore the top gainers and losers driving the post-market movements.

After hours gainers

Ticker	Change	Comment
TPST	153.0%	TEMPEST THERAPEUTICS INC (NASDAQ:TPST) showcases remarkable after-hours performance, with a 153.0% rise to $0.61 during Tuesday's after-hours trading. A press release (Tempest to Report New and Updated Data from Global Randomized Combination Study of TPST-1120 in First-Line Hepatocellular Carcinoma) was released earlier today.
YTEN	21.21%	YIELD10 BIOSCIENCE INC (NASDAQ:YTEN) showcases remarkable after-hours performance, with a 21.21% rise to $0.4 during Tuesday's after-hours trading. The stock is trading 81.52% lower than 3 months ago.
CDIO	19.52%	Positive market activity for CARDIO DIAGNOSTICS HOLDINGS (NASDAQ:CDIO) after regular trading hours, with a 19.52% increase to $0.35 in the after-hours session on Tuesday. The stock is trading 34.77% lower than a month ago.
UFAB	9.52%	Positive after-hours movement for UNIQUE FABRICATING INC (NYSEARCA:UFAB) as its shares recorded a 9.52% increase, reaching $0.23 during Tuesday's after-hours session. Shareholders saw the stock price going 63.32% lower is the past year.
ATHX	8.33%	Positive after-hours movement for ATHERSYS INC (NASDAQ:ATHX) as its shares recorded a 8.33% increase, reaching $0.13 during Tuesday's after-hours session. After today's drop of -60.0%, it looks like it is bouncing back during today's after hours session. A press release (Athersys Reports Interim Analysis Results of MASTERS-2 Clinical Study with MultiStem in Ischemic Stroke, Signs Memorandum of Understanding (MOU) for Global ARDS License with Healios) was released yesterday.
SLS	7.75%	SELLAS LIFE SCIENCES GROUP I's (NASDAQ:SLS) stock price increased by 7.75% to $1.53. Shareholders saw the stock price going 25.65% lower is the past year.
RVLP	6.48%	After the closing bell, RVL PHARMACEUTICALS PLC (NASDAQ:RVLP) demonstrated strong momentum in the after-hours session, with a 6.48% rise to $0.17. Despite today's -17.56% decline, NASDAQ:RVLP is actively bouncing back in the after-hours session.
ARTL	5.23%	ARTELO BIOSCIENCES INC (NASDAQ:ARTL) exhibits strong performance after hours, with shares rising 5.23% to $1.81 during Tuesday's after-hours session. Furthermore, during the regular session, NASDAQ:ARTL had a very successful day, with shares closing 24.64% higher.
DHC	4.55%	Promising after-hours performance observed for DIVERSIFIED HEALTHCARE TRUST (NASDAQ:DHC) as its shares surged 4.55% to $2.07 during Tuesday's after-hours trading. In the last 3 months the stock lost 22.96%.
BCLI	3.92%	BRAINSTORM CELL THERAPEUTICS's (NASDAQ:BCLI) shares rose 3.92% to $0.17. Two days ago the company had a press release: ROSEN, GLOBAL INVESTOR COUNSEL, Encourages Brainstorm Cell Therapeutics Inc. Investors to Inquire About Securities Class Action Investigation - BCLI.

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

Today's after hours losers

Ticker	Change	Comment
SILK	-22.44%	SILK ROAD MEDICAL INC's (NASDAQ:SILK) shares fell 22.44% to $10.85. A press release (Silk Road Medical Announces Preliminary Third Quarter 2023 Revenue and Provides Revised 2023 Outlook) was released earlier today.
SPCB	-11.61%	After today's 144.0% drop, NASDAQ:SPCB shows further decline during today's after-hours session with a 11.61% decrease. After running up 144.0% in today's session, NASDAQ:SPCB is pulling back after hours.
ETWO	-9.34%	After today's %ABSPERF% drop, NYSE:ETWO shows further decline during today's after-hours session with a 9.34% decrease. E2OPEN PARENT HOLDINGS INC released earnings Yesterday. Earlier today the company had a press release: E2open Announces Fiscal 2024 Second Quarter Financial Results.
PRZO	-6.58%	The after-hours session reflects NASDAQ:PRZO's ongoing correction after experiencing a %ABSPERF% loss in the regular trading hours. In the last month the stock gained 97.56%.
SMSI	-6.25%	SMITH MICRO SOFTWARE INC's (NASDAQ:SMSI) stock price decreased by 6.25% to $1.2. In the last year the share price dropped with 39.34%.
SOPA	-5.97%	Following a %ABSPERF% loss in the regular session, NASDAQ:SOPA exhibits further decline during today's after-hours session. Yesterday the company had a press release: Society Pass Inc. (Nasdaq: SOPA) Announces Plans to Spinout Two Profitable Business Units Into New Publicly-Traded Companies via Nasdaq IPOs in 2024.
PWM	-5.29%	Today's after-hours session sees a continuation of the 51.12% decrease earlier in the day for NASDAQ:PWM. Following a 51.12% increase in the regular trading session, NASDAQ:PWM is showing signs of weakness with a 5.29% decline in after-hours trading.
AMPS	-5.16%	ALTUS POWER INC's (NYSE:AMPS) shares fell 5.16% to $4.96 during Tuesday's after hours session. Prices are quite volatile now: this is a reversal from 10.81% gain. Yesterday the company had a press release: Altus Power, Inc. Announces Date for Release of Third Quarter 2023 Financial Results and Conference Call.
BTTR	-4.97%	BETTER CHOICE CO INC's (NYSEARCA:BTTR) shares fell 4.97% to $0.14. Shareholders saw the stock price going 35.22% lower in the past 3 months.
HIMS	-4.88%	HIMS & HERS HEALTH INC's (NYSE:HIMS) stock price saw a decrease of 4.88% to $6.04 during Tuesday's after-hours session. Shareholders saw the stock price going 28.33% lower in the past 3 months.

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