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

By Mill Chart - Last update: Dec 1, 2025

Get insights into the top gainers and losers in the S&P500 index of Monday's pre-market session.


premarket

Pre-market gainers

TickerChangeComment
SNPS7.95%During Monday's pre-market session, SYNOPSYS INC (NASDAQ:SNPS) experienced a 7.95% increase, with the stock price reaching $451.26. In the last 3 months the share price dropped with 30.74%.
ACN4.29%ACCENTURE PLC-CL A's (NYSE:ACN) shares surged 4.29% to reach $260.72 during the pre-market session on Monday. A press release (OpenAI and Accenture Accelerate Enterprise Reinvention with Advanced AI) was released earlier today.
DASH3.34%Pre-market trading on Monday showed positive momentum for DOORDASH INC - A (NASDAQ:DASH), as the stock price advanced 3.34% to reach $205.0. The stock is trading 21.92% lower than a month ago.
WYNN2.42%During Monday's pre-market trading, WYNN RESORTS LTD (NASDAQ:WYNN) demonstrated strong momentum, with the stock price rising 2.42% to $131.8. In the last 6 months the stock gained 42.13%.

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

Pre-market losers

TickerChangeComment
COIN-4.76%COINBASE GLOBAL INC -CLASS A's (NASDAQ:COIN) shares experienced a 4.76% decline, falling to $259.84 during Monday's pre-market session.
HOOD-4.04%Monday's pre-market session showed a 4.04% decrease in the stock price of ROBINHOOD MARKETS INC - A (NASDAQ:HOOD), reaching $123.3. In the last 3 months the share price increased with 23.51%.
LYB-3.91%The stock price of LYONDELLBASELL INDU-CL A (NYSE:LYB) is declining by 3.91%, reaching $47.08 during Monday's pre-market session. Shareholders saw the stock price going 41.22% lower is the past year.
MRNA-3.54%During Monday's pre-market session, the shares of MODERNA INC (NASDAQ:MRNA) declined by 3.54%, reaching $25.06. Shareholders saw the stock price going 39.67% lower is the past year.
SNDK-3.44%SANDISK CORP's (NASDAQ:SNDK) stock price decreased by 3.44% to $215.61. In the last 3 months the share price increased with 326.0%.
NOC-3.35%NORTHROP GRUMMAN CORP's (NYSE:NOC) shares fell 3.35% to $553.06 during Monday's pre-market session.
NRG-3.16%NRG ENERGY INC's (NYSE:NRG) stock price recorded a 3.16% decrease, falling to $164.14. In the last year the stock gained 66.8%.
TER-2.42%The stock price of TERADYNE INC (NASDAQ:TER) is experiencing a decline of 2.42%, reaching $177.49 in today's pre-market session on Monday. In the last 3 months the stock gained 53.83%.
MU-2.34%The pre-market session on Monday witnessed a 2.34% decrease in MICRON TECHNOLOGY INC's (NASDAQ:MU) shares, with the stock price falling to $230.95. The stock is trading 98.71% higher than 3 months ago.
SMCI-2.07%Investors observed a 2.07% decline in SUPER MICRO COMPUTER INC's (NASDAQ:SMCI) stock price, which now stands at $33.15 during Monday's pre-market session. The stock is trading 32.8% lower than a month ago.

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

NORTHROP GRUMMAN CORP

NYSE:NOC (2/27/2026, 8:23:03 PM)

Premarket: 762 +37.62 (+5.19%)

724.38

+13.48 (+1.9%)


ACCENTURE PLC-CL A

NYSE:ACN (2/27/2026, 8:04:00 PM)

Premarket: 205.06 -3.66 (-1.75%)

208.72

+1.34 (+0.65%)


WYNN RESORTS LTD

NASDAQ:WYNN (2/27/2026, 8:00:02 PM)

Premarket: 104.94 -3.25 (-3%)

108.19

-1.92 (-1.74%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (2/27/2026, 8:00:02 PM)

Premarket: 30.88 -1.51 (-4.66%)

32.39

+0.11 (+0.34%)


TERADYNE INC

NASDAQ:TER (2/27/2026, 8:00:00 PM)

Premarket: 311.3 -8.73 (-2.73%)

320.03

-12.67 (-3.81%)


MICRON TECHNOLOGY INC

NASDAQ:MU (2/27/2026, 8:21:20 PM)

Premarket: 399.5 -12.87 (-3.12%)

412.37

-3.19 (-0.77%)


SANDISK CORP

NASDAQ:SNDK (2/27/2026, 8:00:02 PM)

Premarket: 611.98 -23.38 (-3.68%)

635.36

-16.54 (-2.54%)


SYNOPSYS INC

NASDAQ:SNPS (2/27/2026, 8:00:02 PM)

Premarket: 406.34 -7.66 (-1.85%)

414

-12 (-2.82%)


NRG ENERGY INC

NYSE:NRG (2/27/2026, 8:23:11 PM)

Premarket: 174.02 -4.94 (-2.76%)

178.96

-2.38 (-1.31%)


LYONDELLBASELL INDU-CL A

NYSE:LYB (2/27/2026, 8:16:18 PM)

Premarket: 56.71 -0.81 (-1.41%)

57.52

+1.22 (+2.17%)


MODERNA INC

NASDAQ:MRNA (2/27/2026, 8:20:59 PM)

Premarket: 52.18 -1.39 (-2.59%)

53.57

+1.86 (+3.6%)


DOORDASH INC - A

NASDAQ:DASH (2/27/2026, 8:00:02 PM)

Premarket: 173.82 -2.65 (-1.5%)

176.47

-3.94 (-2.18%)


COINBASE GLOBAL INC -CLASS A

NASDAQ:COIN (2/27/2026, 8:00:00 PM)

Premarket: 171.52 -4.33 (-2.46%)

175.85

-5.21 (-2.88%)


ROBINHOOD MARKETS INC - A

NASDAQ:HOOD (2/27/2026, 8:08:48 PM)

Premarket: 73.34 -2.51 (-3.31%)

75.85

-3.6 (-4.53%)



Find more stocks in the Stock Screener

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