Which S&P500 stocks are moving before the opening bell on Monday?

By Mill Chart - Last update: Nov 24, 2025

Before the US market kicks off on Monday, let's examine the pre-market session and unveil the notable performers among the S&P500 top gainers and losers.


premarket

Pre-market gainers

TickerChangeComment
CNC9.59%CENTENE CORP (NYSE:CNC) experienced an impressive 9.59% increase in share price, reaching $40.0 during the pre-market session on Monday. Shareholders saw the stock price going 24.11% higher in the past 3 months.
MOH5.68%During Monday's pre-market session, MOLINA HEALTHCARE INC (NYSE:MOH) exhibited strong growth, with the stock price climbing 5.68% to $149.6. A press release (MOH Deadline: Rosen Law Firm Urges Molina Healthcare, Inc. (NYSE: MOH) Stockholders with Losses in Excess of $100K to Contact the Firm for Information About Their Rights) was released yesterday.
BIIB5.11%BIOGEN INC's (NASDAQ:BIIB) shares surged 5.11% to reach $184.25 during the pre-market session on Monday. Earlier today the company had a press release: Biogen and Dayra Therapeutics Announce Research Collaboration to Discover and Develop Oral Macrocyclic Peptides for a Range of Immunological Conditions.
BMY4.32%BRISTOL-MYERS SQUIBB CO (NYSE:BMY) experienced an impressive 4.32% increase in share price, reaching $48.25 during the pre-market session on Monday. Shareholders saw the stock price going 21.44% lower is the past year.
GOOGL4.17%ALPHABET INC-CL A (NASDAQ:GOOGL) experienced an impressive 4.17% increase in share price, reaching $312.16 during the pre-market session on Monday. In the last 3 months the share price increased with 45.4%.
GOOG4.12%Investors witnessed a remarkable surge in ALPHABET INC-CL C (NASDAQ:GOOG) during Monday's pre-market session, with the stock price rising 4.12% to $312.0. Shareholders saw the stock price going 44.95% higher in the past 3 months.
ELV3.21%During Monday's pre-market trading, ELEVANCE HEALTH INC (NYSE:ELV) demonstrated strong momentum, with the stock price rising 3.21% to $332.06. In the last year the stock lost 20.08%.
GNRC3.09%GENERAC HOLDINGS INC's (NYSE:GNRC) shares surged 3.09% to reach $150.55 during the pre-market session on Monday. Shareholders saw the stock price going 23.92% lower in the past month.
HUM2.84%The pre-market session on Monday saw a significant rise in HUMANA INC's (NYSE:HUM) shares, climbing 2.84% to $233.56. In the last month the stock lost 21.86%.
UNH2.78%UNITEDHEALTH GROUP INC's (NYSE:UNH) shares rose 2.78% to $328.85 during Monday's pre-market session. In the last year the stock lost 45.85%.

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

BIOGEN INC

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

Premarket: 186.97 -4.85 (-2.53%)

191.82

+3.8 (+2.02%)


BRISTOL-MYERS SQUIBB CO

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

Premarket: 62 -0.37 (-0.59%)

62.37

+1.27 (+2.08%)


CENTENE CORP

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

Premarket: 44.0066 -0.87 (-1.95%)

44.88

+1.95 (+4.54%)


HUMANA INC

NYSE:HUM (2/27/2026, 8:09:03 PM)

Premarket: 188 -2.54 (-1.33%)

190.54

+3.71 (+1.99%)


MOLINA HEALTHCARE INC

NYSE:MOH (2/27/2026, 8:20:50 PM)

Premarket: 150 -4.05 (-2.63%)

154.05

+7.69 (+5.25%)


UNITEDHEALTH GROUP INC

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

Premarket: 289.49 -3.78 (-1.29%)

293.27

+6.61 (+2.31%)


ALPHABET INC-CL C

NASDAQ:GOOG (2/27/2026, 8:07:30 PM)

Premarket: 304.1 -7.33 (-2.35%)

311.43

+4.28 (+1.39%)


GENERAC HOLDINGS INC

NYSE:GNRC (2/27/2026, 8:07:27 PM)

After market: 225.37 0 (0%)

225.37

-8.98 (-3.83%)


ALPHABET INC-CL A

NASDAQ:GOOGL (2/27/2026, 8:07:30 PM)

Premarket: 303.91 -7.85 (-2.52%)

311.76

+4.38 (+1.42%)


ELEVANCE HEALTH INC

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

Premarket: 310 -10 (-3.12%)

320

-3.05 (-0.94%)



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