Wondering what's happening in today's S&P500 pre-market session?

By Mill Chart - Last update: May 19, 2025

Pre-market stock analysis of S&P500 stocks on 2025-05-19: top gainers and losers in today's session.

Pre-market losers

TickerChangeComment
PLTR-4.45%The pre-market session on Monday witnessed a 4.45% decrease in PALANTIR TECHNOLOGIES INC-A's (NASDAQ:PLTR) shares, with the stock price falling to $123.76. The stock is trading 38.11% higher than a month ago.
SMCI-4.1%Today's pre-market session reveals a 4.1% decline in the stock price of SUPER MICRO COMPUTER INC (NASDAQ:SMCI), now priced at $44.26. Shareholders saw the stock price going 46.48% higher in the past month.
VST-4.06%VISTRA CORP's (NYSE:VST) stock price decreased by 4.06% to $150.26. Shareholders saw the stock price going 35.7% higher in the past month.
TSLA-3.9%TESLA INC's (NASDAQ:TSLA) stock price decreased by 3.9% to $336.32. Shareholders saw the stock price going 45.0% higher in the past month.
AVGO-3.25%BROADCOM INC's (NASDAQ:AVGO) shares experienced a 3.25% decline, falling to $221.17 during Monday's pre-market session. The stock is trading 33.7% higher than a month ago.
MU-3.09%During Monday's pre-market session, the shares of MICRON TECHNOLOGY INC (NASDAQ:MU) declined by 3.09%, reaching $94.97. In the last month the share price increased with 42.44%.
SWKS-2.81%The pre-market session on Monday witnessed a 2.81% decrease in SKYWORKS SOLUTIONS INC's (NASDAQ:SWKS) shares, with the stock price falling to $71.26. Shareholders saw the stock price going 30.98% higher in the past month.
NVDA-2.76%Investors observed a 2.76% decline in NVIDIA CORP's (NASDAQ:NVDA) stock price, which now stands at $131.66 during Monday's pre-market session. In the last month the share price increased with 33.41%.
ALB-2.72%During Monday's pre-market session, the shares of ALBEMARLE CORP (NYSE:ALB) declined by 2.72%, reaching $58.57. In the last 3 months the stock lost 25.86%.
LYB-2.72%LYONDELLBASELL INDU-CL A's (NYSE:LYB) stock price decreased by 2.72% to $58.14. The stock is trading 22.07% lower than 3 months ago.

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

ALBEMARLE CORP

NYSE:ALB (2/20/2026, 8:16:36 PM)

After market: 168.425 0.01 (0%)

168.42

+0.01 (+0.01%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (2/20/2026, 10:06:41 PM)

After market: 32.28 -0.14 (-0.43%)

32.42

+0.26 (+0.81%)


SKYWORKS SOLUTIONS INC

NASDAQ:SWKS (2/20/2026, 8:06:30 PM)

After market: 60.05 0 (0%)

60.05

+0.83 (+1.4%)


NVIDIA CORP

NASDAQ:NVDA (2/20/2026, 8:00:01 PM)

After market: 189.999 +0.18 (+0.09%)

189.82

+1.92 (+1.02%)


MICRON TECHNOLOGY INC

NASDAQ:MU (2/20/2026, 8:00:01 PM)

After market: 426.7 -1.47 (-0.34%)

428.17

+10.82 (+2.59%)


BROADCOM INC

NASDAQ:AVGO (2/20/2026, 8:17:50 PM)

After market: 332.7 +0.05 (+0.02%)

332.65

-1.34 (-0.4%)


TESLA INC

NASDAQ:TSLA (2/20/2026, 8:08:14 PM)

After market: 411.255 -0.56 (-0.14%)

411.82

+0.11 (+0.03%)


LYONDELLBASELL INDU-CL A

NYSE:LYB (2/20/2026, 8:04:00 PM)

After market: 55.8 -0.87 (-1.54%)

56.67

+1.34 (+2.42%)


PALANTIR TECHNOLOGIES INC-A

NASDAQ:PLTR (2/20/2026, 8:00:01 PM)

After market: 134.55 -0.69 (-0.51%)

135.24

+0.35 (+0.26%)


VISTRA CORP

NYSE:VST (2/20/2026, 8:09:54 PM)

After market: 171.807 +0.41 (+0.24%)

171.4

-1.1 (-0.64%)



Find more stocks in the Stock Screener

Follow ChartMill for more
Follow us on StockTwitsFollow us on InstagramFollow us on FacebookFollow us on YouTube