News Image

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 (12/29/2025, 8:00:02 PM)

After market: 176.83 0 (0%)

176.83

-0.25 (-0.14%)


GILEAD SCIENCES INC

NASDAQ:GILD (12/29/2025, 8:00:00 PM)

After market: 124.91 0 (0%)

124.91

+0.21 (+0.17%)


HUMANA INC

NYSE:HUM (12/29/2025, 8:04:00 PM)

After market: 256.24 -2.1 (-0.81%)

258.34

-0.49 (-0.19%)


UNITEDHEALTH GROUP INC

NYSE:UNH (12/29/2025, 8:23:25 PM)

Premarket: 329.81 +0.87 (+0.26%)

328.94

-2.89 (-0.87%)


AUTOZONE INC

NYSE:AZO (12/29/2025, 8:04:00 PM)

After market: 3418 +2.19 (+0.06%)

3415.81

-32.89 (-0.95%)


BEST BUY CO INC

NYSE:BBY (12/29/2025, 8:04:00 PM)

After market: 67.87 +0.03 (+0.04%)

67.84

-1.77 (-2.54%)


BUILDERS FIRSTSOURCE INC

NYSE:BLDR (12/29/2025, 8:04:00 PM)

After market: 102.77 -0.68 (-0.66%)

103.45

-0.54 (-0.52%)


TAKE-TWO INTERACTIVE SOFTWRE

NASDAQ:TTWO (12/29/2025, 8:23:00 PM)

After market: 255.7 0 (0%)

255.7

-0.39 (-0.15%)


FIRST SOLAR INC

NASDAQ:FSLR (12/29/2025, 8:00:00 PM)

After market: 268.25 0 (0%)

268.25

-1.44 (-0.53%)


MONOLITHIC POWER SYSTEMS INC

NASDAQ:MPWR (12/29/2025, 8:07:18 PM)

After market: 930.8 +0.76 (+0.08%)

930.04

-16.28 (-1.72%)


NISOURCE INC

NYSE:NI (12/29/2025, 8:09:19 PM)

After market: 41.93 0 (0%)

41.93

+0.21 (+0.5%)


AES CORP

NYSE:AES (12/29/2025, 8:04:00 PM)

Premarket: 14.2 +0.07 (+0.5%)

14.13

+0.06 (+0.43%)


DOLLAR GENERAL CORP

NYSE:DG (12/29/2025, 8:04:00 PM)

After market: 137.98 +0.46 (+0.33%)

137.52

-0.32 (-0.23%)


TESLA INC

NASDAQ:TSLA (12/29/2025, 8:22:51 PM)

Premarket: 463.89 +4.25 (+0.92%)

459.64

-15.55 (-3.27%)


CAESARS ENTERTAINMENT INC

NASDAQ:CZR (12/29/2025, 8:00:00 PM)

After market: 24.24 +0.21 (+0.87%)

24.03

-0.76 (-3.07%)


ENPHASE ENERGY INC

NASDAQ:ENPH (12/29/2025, 8:00:02 PM)

Premarket: 33.3 +0.17 (+0.51%)

33.13

+0.13 (+0.39%)


PHILLIPS 66

NYSE:PSX (12/29/2025, 8:14:34 PM)

After market: 128.6 +0.01 (+0.01%)

128.59

+0.84 (+0.66%)


ON SEMICONDUCTOR

NASDAQ:ON (12/29/2025, 8:12:04 PM)

Premarket: 53.82 -0.2 (-0.37%)

54.02

-0.91 (-1.66%)


MODERNA INC

NASDAQ:MRNA (12/29/2025, 8:07:23 PM)

Premarket: 31.08 -0.07 (-0.22%)

31.15

-0.05 (-0.16%)


GE VERNOVA INC

NYSE:GEV (12/29/2025, 8:04:00 PM)

Premarket: 664.68 +1.22 (+0.18%)

663.46

0 (0%)



Find more stocks in the Stock Screener

BIIB Latest News and Analysis

Follow ChartMill for more