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What's going on in today's session: S&P500 movers

By Mill Chart

Last update: May 19, 2025

Stay updated with the movements of the S&P500 index one hour before the close of the markets on Monday. Discover which stocks are leading as top gainers and losers in today's session.

Today's top gainers

TickerChangeComment
UNH6.92%Investors celebrated as UNITEDHEALTH GROUP INC (NYSE:UNH) experienced a 6.92% rise in its shares, closing at $312.11 during Monday's session. A press release (UNITEDHEALTH GROUP INCORPORATED (NYSE: UNH) SHAREHOLDER ALERT Bernstein Liebhard LLP Reminds UnitedHealth Group Incorporated Investors of Upcoming Deadline) was released yesterday.
MRNA6.11%MODERNA INC's (NASDAQ:MRNA) stock price displayed strong growth, advancing 6.11% and reaching $26.38 during Monday's session. In the last 3 months the share price dropped with 24.64%.
DG4.63%DOLLAR GENERAL CORP's (NYSE:DG) shares rose 4.63% to $97.88 during Monday's session. In the last 3 months the share price increased with 28.93%.
GEV3.96%GE VERNOVA INC's (NYSE:GEV) stock price increased by 3.96% to $445.0. Shareholders saw the stock price going 32.3% higher in the past month.
HUM3.58%Exciting news for HUMANA INC (NYSE:HUM) as its stock price surged 3.58% to $246.49 during Monday's session. Shareholders saw the stock price going 33.19% lower is the past year.
TTWO3.05%Investors celebrated as TAKE-TWO INTERACTIVE SOFTWRE (NASDAQ:TTWO) experienced a 3.05% rise in its shares, closing at $233.65 during Monday's session. In the last 6 months the stock gained 27.65%.
GILD2.79%GILEAD SCIENCES INC (NASDAQ:GILD) experienced a significant 2.79% increase, reaching $105.36 during Monday's session. The stock is trading 51.36% higher than a year ago.
NI2.26%Investors celebrated as NISOURCE INC (NYSE:NI) experienced a 2.26% rise in its shares, closing at $39.97 during Monday's session. In the last year the share price increased with 33.7%.
BIIB2.25%BIOGEN INC's (NASDAQ:BIIB) shares rose 2.25% to $128.42 during Monday's session. In the last 6 months the share price dropped with 21.5%.
AZO2.17%AUTOZONE INC's (NYSE:AZO) shares rose 2.17% to $3.87K during Monday's session. Shareholders saw the stock price going 21.85% higher is the past 6 months.

To see the full list of top gainers you can use our top gainers page.

Losers

TickerChangeComment
FSLR-9.57%During Monday's session, FIRST SOLAR INC's (NASDAQ:FSLR) shares took a tumble, falling 9.57% to $161.38. In the last month the share price increased with 39.44%.
ENPH-4.5%Investors witnessed a 4.5% drop in ENPHASE ENERGY INC's (NASDAQ:ENPH) stock price, which closed at $48.13 during Monday's session. In the last 3 months the share price dropped with 21.18%.
AES-4.34%AES CORP's (NYSE:AES) shares fell 4.34% to $11.68 during Monday's session. In the last 3 months the share price increased with 22.96%.
CZR-4.12%CAESARS ENTERTAINMENT INC's (NASDAQ:CZR) stock price is declining with 4.12% to a price of $29.43. Shareholders saw the stock price going 20.34% higher in the past month.
BBY-3.52%Investors witnessed a 3.52% drop in BEST BUY CO INC's (NYSE:BBY) stock price, which closed at $71.2 during Monday's session. BBY is releasing earnings today. In the last 6 months the stock lost 20.35%.
ON-2.92%ON SEMICONDUCTOR's (NASDAQ:ON) stock price is declining with 2.92% to a price of $43.61. In the last month the stock gained 29.68%.
BLDR-2.87%There was a notable decline in BUILDERS FIRSTSOURCE INC's (NYSE:BLDR) shares, as they dropped 2.87% to $117.18 during Monday's session. In the last 3 months the stock lost 21.61%.
TSLA-2.75%The market experienced a 2.75% downturn in TESLA INC's (NASDAQ:TSLA) stock price, closing at $340.36 during Monday's session. The stock is trading 45.0% higher than a month ago.
MPWR-2.71%The market experienced a downward movement in MONOLITHIC POWER SYSTEMS INC's (NASDAQ:MPWR) stock price, closing at $696.0 with a 2.71% decrease during Monday's session. In the last month the stock gained 36.64%.
PSX-2.64%The market experienced a downward movement in PHILLIPS 66's (NYSE:PSX) stock price, closing at $121.24 with a 2.64% decrease during Monday's session. In the last month the stock gained 26.87%.

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

BIOGEN INC

NASDAQ:BIIB (11/13/2025, 8:18:40 PM)

Premarket: 165.2 +0.47 (+0.29%)

164.73

+3.25 (+2.01%)


GILEAD SCIENCES INC

NASDAQ:GILD (11/13/2025, 8:00:01 PM)

Premarket: 126.1 +0.9 (+0.72%)

125.2

+1.8 (+1.46%)


HUMANA INC

NYSE:HUM (11/13/2025, 8:04:00 PM)

Premarket: 235.18 -1.56 (-0.66%)

236.74

-3.74 (-1.56%)


UNITEDHEALTH GROUP INC

NYSE:UNH (11/13/2025, 8:04:00 PM)

Premarket: 326.9 -5.62 (-1.69%)

332.52

-6.54 (-1.93%)


AUTOZONE INC

NYSE:AZO (11/13/2025, 9:58:55 PM)

After market: 3825 +5.71 (+0.15%)

3819.29

+30.59 (+0.81%)


BEST BUY CO INC

NYSE:BBY (11/13/2025, 8:17:48 PM)

Premarket: 76.06 -0.12 (-0.16%)

76.18

-1.53 (-1.97%)


BUILDERS FIRSTSOURCE INC

NYSE:BLDR (11/13/2025, 8:18:59 PM)

Premarket: 103 -0.89 (-0.86%)

103.89

-2.53 (-2.38%)


TAKE-TWO INTERACTIVE SOFTWRE

NASDAQ:TTWO (11/13/2025, 8:00:25 PM)

Premarket: 236.33 -1.22 (-0.51%)

237.55

-2.79 (-1.16%)


FIRST SOLAR INC

NASDAQ:FSLR (11/13/2025, 8:00:01 PM)

Premarket: 245.61 -10.98 (-4.28%)

256.59

-10.93 (-4.09%)


MONOLITHIC POWER SYSTEMS INC

NASDAQ:MPWR (11/13/2025, 8:00:01 PM)

Premarket: 888.01 -36.28 (-3.93%)

924.29

-34.06 (-3.55%)


NISOURCE INC

NYSE:NI (11/13/2025, 8:04:00 PM)

After market: 42.96 0 (0%)

42.96

-0.68 (-1.56%)


AES CORP

NYSE:AES (11/13/2025, 8:14:07 PM)

Premarket: 13.48 -0.19 (-1.39%)

13.67

-0.4 (-2.84%)


DOLLAR GENERAL CORP

NYSE:DG (11/13/2025, 8:04:00 PM)

Premarket: 104.5 +0.31 (+0.3%)

104.19

-0.02 (-0.02%)


TESLA INC

NASDAQ:TSLA (11/13/2025, 8:00:10 PM)

Premarket: 383.05 -18.94 (-4.71%)

401.99

-28.61 (-6.64%)


CAESARS ENTERTAINMENT INC

NASDAQ:CZR (11/13/2025, 8:00:01 PM)

Premarket: 19.45 -0.3 (-1.52%)

19.75

-0.01 (-0.05%)


ENPHASE ENERGY INC

NASDAQ:ENPH (11/13/2025, 8:00:02 PM)

Premarket: 28.0664 -0.84 (-2.92%)

28.91

-1.8 (-5.86%)


PHILLIPS 66

NYSE:PSX (11/13/2025, 8:04:00 PM)

Premarket: 140.43 +0.93 (+0.67%)

139.5

+1.48 (+1.07%)


ON SEMICONDUCTOR

NASDAQ:ON (11/13/2025, 8:00:02 PM)

Premarket: 46.77 -1.36 (-2.83%)

48.13

-1.14 (-2.31%)


MODERNA INC

NASDAQ:MRNA (11/13/2025, 8:00:01 PM)

Premarket: 24.49 -0.47 (-1.88%)

24.96

-1.75 (-6.55%)


GE VERNOVA INC

NYSE:GEV (11/13/2025, 8:04:00 PM)

Premarket: 537.56 -20.61 (-3.69%)

558.17

-17.23 (-2.99%)



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