Top movers in Monday's pre-market session

Last update: Sep 8, 2025

Before the opening bell on Monday, let's take a glimpse of the US markets and explore the top gainers and losers in today's pre-market session.

Today's pre-market gainers

Ticker	Change	Comment
HOUR	56.68%	HOUR LOOP INC's (NASDAQ:HOUR) shares rose 56.68% to $5.72 during Monday's pre-market session. The positive trend witnessed yesterday with a 93.12% gain persists in today's pre-market, indicating sustained growth for HOUR.
DNTH	42.91%	DIANTHUS THERAPEUTICS INC's (NASDAQ:DNTH) shares surged 42.91% to reach $37.87 during the pre-market session on Monday. Earlier today the company had a press release: Dianthus Therapeutics Announces Positive Data for Claseprubart (DNTH103) from the Phase 2 MaGic Trial in Generalized Myasthenia Gravis, Supporting Its Potential Best-In-Class Profile.
XAIR	39.82%	Investors witnessed a remarkable surge in BEYOND AIR INC (NASDAQ:XAIR) during Monday's pre-market session, with the stock price rising 39.82% to $3.09. The stock is trading 22.18% lower than a month ago.
RVPHW	33.05%	During Monday's pre-market session, REVIVA PHARMACEUTICALS -CW23 (NASDAQ:RVPHW) exhibited strong growth, with the stock price climbing 33.05% to $0.09. Today's pre-market session shows a continuation of the previous session's success for RVPHW, with a 33.05% increase following yesterday's 38.1% gain.
MCRB	29.13%	During Monday's pre-market session, SERES THERAPEUTICS INC (NASDAQ:MCRB) experienced a 29.13% increase, with the stock price reaching $25.0. In the last month the stock gained 26.62%.
DUO	20.64%	Pre-market trading on Monday showed positive momentum for FANGDD NETWORK GROUP LTD-A (NASDAQ:DUO), as the stock price advanced 20.64% to reach $4.15. Also in the previous session DUO had a very good day: shares closed with a 32.82% gain.
QS	20.28%	Pre-market trading on Monday showed positive momentum for QUANTUMSCAPE CORP (NYSE:QS), as the stock price advanced 20.28% to reach $9.43. A press release (QuantumScape and PowerCo Debut Solid-State Batteries in Ducati Motorcycle at IAA Mobility) was released earlier today.
SKYQ	19.97%	SKY QUARRY INC (NASDAQ:SKYQ) experienced an impressive 19.97% increase in share price, reaching $0.5 during the pre-market session on Monday. Shareholders saw the stock price going 49.93% lower in the past 3 months.
SATS	19.57%	ECHOSTAR CORP-A's (NASDAQ:SATS) shares rose 19.57% to $80.4. Shareholders saw the stock price going 146.0% higher in the past month.
PRTS	15.6%	CARPARTS.COM INC (NASDAQ:PRTS) rose 15.6% to $1.26 during Monday's pre-market session. In the last month the share price increased with 30.23%.

For the full premarket gainers list go to our premarket gainers page.

Today's pre-market losers

Ticker	Change	Comment
NFE	-28.16%	NEW FORTRESS ENERGY INC's (NASDAQ:NFE) shares fell 28.16% to $1.76. The stock is trading 75.18% lower than 6 months ago.
MEIP	-25.53%	The pre-market session on Monday witnessed a 25.53% decrease in MEI PHARMA INC's (NASDAQ:MEIP) shares, with the stock price falling to $3.15. The stock is trading 93.97% higher than 3 months ago.
CNF	-24.89%	During Monday's pre-market session, the shares of CNFINANCE HOLDINGS LTD (NYSE:CNF) declined by 24.89%, reaching $3.5. Following an impressive 94.17% run-up in yesterday's session, CNF experiences a pullback in today's pre-market session, showcasing the market's dynamic nature.
VEEE	-20.77%	TWIN VEE POWERCATS CO's (NASDAQ:VEEE) stock price decreased by 20.77% to $2.25. Yesterday's 46.39% gain in VEEE gives way to a 20.77% decrease in today's pre-market session, showcasing market fluctuations.
SMMT	-19.63%	SUMMIT THERAPEUTICS INC's (NASDAQ:SMMT) shares fell 19.63% to $20.88 during Monday's pre-market session. Yesterday the company had a press release: Longer-Term Follow-Up of Western Patients Showed Improving, Favorable Trend in Overall Survival in Global Phase III HARMONi Clinical Trial for Ivonescimab Plus Chemotherapy in 2L+ EGFRm NSCLC.
CDT	-18.65%	CDT EQUITY INC's (NASDAQ:CDT) shares fell 18.65% to $0.96. In the last month the share price dropped with 36.9%.
AREB	-17.03%	The stock price of AMERICAN REBEL HOLDINGS INC (NASDAQ:AREB) is experiencing a decline of 17.03%, reaching $0.57 in today's pre-market session on Monday. In the last month the stock lost 47.15%.
ISPC	-16.8%	ISPECIMEN INC's (NASDAQ:ISPC) stock price is declining with 16.8% to a price of $0.71. Prices are quite volatile now: this is a reversal from yesterday's 27.42% gain.
GGAL	-16.63%	GRUPO FINANCIERO GALICIA-ADR's (NASDAQ:GGAL) shares fell 16.63% to $33.43 during Monday's pre-market session. Shareholders saw the stock price going 22.29% lower in the past month.

For the full premarket loser list go to our premarket losers page.