Top S&P500 movers in Tuesday's pre-market session

Last update: Sep 2, 2025

The US market is yet to commence its session on Tuesday, but let's get a preview of the pre-market session and explore the top S&P500 gainers and losers driving the early market movements.

Today's pre-market losers

Ticker	Change	Comment
NWSA	-10.17%	NEWS CORP - CLASS A's (NASDAQ:NWSA) stock price is declining with 10.17% to a price of $26.42.
STZ	-8.61%	CONSTELLATION BRANDS INC-A's (NYSE:STZ) shares experienced a 8.61% decline, falling to $148.0 during Tuesday's pre-market session. A press release (Constellation Brands Updates Fiscal 2026 Outlook) was released earlier today.
FTNT	-4.01%	Tuesday's pre-market session showed a 4.01% decrease in the stock price of FORTINET INC (NASDAQ:FTNT), reaching $75.61. In the last 3 months the stock lost 22.61%.
LRCX	-3.94%	During Tuesday's pre-market session, the shares of LAM RESEARCH CORP (NASDAQ:LRCX) declined by 3.94%, reaching $96.2. In the last 3 months the stock gained 23.96%.
TER	-3.92%	TERADYNE INC's (NASDAQ:TER) stock price recorded a 3.92% decrease, falling to $113.6. The stock is trading 50.43% higher than 3 months ago.
PLTR	-3.64%	Today's pre-market session reveals a 3.64% decline in the stock price of PALANTIR TECHNOLOGIES INC-A (NASDAQ:PLTR), now priced at $151.01. In the last 6 months the share price increased with 84.54%.
SWKS	-3.58%	SKYWORKS SOLUTIONS INC's (NASDAQ:SWKS) stock price recorded a 3.58% decrease, falling to $72.26. In the last year the share price dropped with 31.62%.
CCL	-3.42%	Investors observed a 3.42% decline in CARNIVAL CORP's (NYSE:CCL) stock price, which now stands at $30.8 during Tuesday's pre-market session. Shareholders saw the stock price going 37.34% higher in the past 3 months.
GNRC	-3.21%	Today's pre-market session reveals a 3.21% decline in the stock price of GENERAC HOLDINGS INC (NYSE:GNRC), now priced at $179.3. The stock is trading 51.68% higher than 3 months ago.
SMCI	-3.2%	During Tuesday's pre-market session, the shares of SUPER MICRO COMPUTER INC (NASDAQ:SMCI) declined by 3.2%, reaching $40.21. The stock is trading 26.66% lower than a month ago.

To see the full list of premarket losers you can use our premarket losers page.