Uncover the latest developments among S&P500 stocks in today's session.

By Mill Chart - Last update: May 19, 2025

Join us in exploring the top gainers and losers within the S&P500 index in the middle of the day on Monday as we examine the latest happenings in today's session.

Gainers

TickerChangeComment
MRNA7.76%MODERNA INC's (NASDAQ:MRNA) shares soared 7.76% to $26.79 during Monday's session. Shareholders saw the stock price going 24.64% lower in the past 3 months.
UNH6.66%With a 6.66% surge, UNITEDHEALTH GROUP INC's (NYSE:UNH) stock price reached $311.35 during Monday's session, signaling positive momentum. Earlier today the company had a press release: UNITEDHEALTH GROUP INCORPORATED (NYSE: UNH) SHAREHOLDER ALERT Bernstein Liebhard LLP Reminds UnitedHealth Group Incorporated Investors of Upcoming Deadline.
DG4.55%In an impressive move, DOLLAR GENERAL CORP's (NYSE:DG) shares recorded a 4.55% increase, closing at $97.81 during Monday's session. Shareholders saw the stock price going 28.93% higher in the past 3 months.
HUM3.21%Investors witnessed a remarkable 3.21% rise in HUMANA INC's (NYSE:HUM) shares, which climbed to $245.6 during Monday's session. In the last year the stock lost 33.19%.
TTWO3.11%TAKE-TWO INTERACTIVE SOFTWRE's (NASDAQ:TTWO) shares rose 3.11% to $233.79. The stock is trading 27.65% higher than 6 months ago.
GILD2.65%GILEAD SCIENCES INC (NASDAQ:GILD) experienced a significant 2.65% increase, reaching $105.22 during Monday's session. The stock is trading 51.36% higher than a year ago.
GEV2.03%GE VERNOVA INC's (NYSE:GEV) stock price increased by 2.03% to $436.73. Shareholders saw the stock price going 32.3% higher in the past month.
AZO1.78%Exciting news for AUTOZONE INC (NYSE:AZO) as its stock price surged 1.78% to $3.85K during Monday's session. In the last 6 months the share price increased with 21.85%.
NI1.71%With a 1.71% surge, NISOURCE INC's (NYSE:NI) stock price reached $39.75 during Monday's session, signaling positive momentum. In the last year the share price increased with 33.7%.
FCX1.7%FREEPORT-MCMORAN INC (NYSE:FCX) witnessed a notable 1.7% uptick in its shares, reaching $38.66 during Monday's session. The stock is trading 29.89% lower than a year ago.

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

Top losers

TickerChangeComment
FSLR-6.48%Investors witnessed a 6.48% decrease in FIRST SOLAR INC's (NASDAQ:FSLR) stock price, which closed at $166.9 during Monday's session. The stock is trading 39.44% higher than a month ago.
AES-4.38%AES CORP's (NYSE:AES) stock price is declining with 4.38% to a price of $11.68. Shareholders saw the stock price going 22.96% higher in the past 3 months.
TSLA-3.46%Investors witnessed a 3.46% drop in TESLA INC's (NASDAQ:TSLA) stock price, which closed at $337.86 during Monday's session. In the last month the share price increased with 45.0%.
PLTR-3.4%During Monday's session, PALANTIR TECHNOLOGIES INC-A's (NASDAQ:PLTR) shares took a tumble, falling 3.4% to $125.12. In the last month the stock gained 38.11%.
ENPH-3.13%ENPHASE ENERGY INC's (NASDAQ:ENPH) stock price encountered a 3.13% decline, reaching $48.82 during Monday's session. In the last 3 months the stock lost 21.18%.
CZR-3.0%Investors witnessed a 3.0% drop in CAESARS ENTERTAINMENT INC's (NASDAQ:CZR) stock price, which closed at $29.78 during Monday's session. The stock is trading 20.34% higher than a month ago.
BBY-2.52%During Monday's session, BEST BUY CO INC's (NYSE:BBY) shares took a tumble, falling 2.52% to $71.94. BEST BUY CO INC is releasing earnings today. In the last 6 months the stock lost 20.35%.
AMD-2.46%ADVANCED MICRO DEVICES's (NASDAQ:AMD) stock price is declining with 2.46% to a price of $114.29. A press release (AMD Announces Agreement to Divest ZT Systems Data Center Infrastructure Manufacturing Business to Sanmina) was released earlier today.
TPL-2.45%TEXAS PACIFIC LAND CORP's (NYSE:TPL) stock price is declining with 2.45% to a price of $1.4K. The stock is trading 134.0% higher than a year ago.
SMCI-2.44%The market experienced a downward movement in SUPER MICRO COMPUTER INC's (NASDAQ:SMCI) stock price, closing at $45.02 with a 2.44% decrease during Monday's session. Shareholders saw the stock price going 46.48% higher in the past month.

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

FREEPORT-MCMORAN INC

NYSE:FCX (3/11/2026, 7:38:04 PM)

After market: 61.0085 -0.53 (-0.86%)

61.54

-0.86 (-1.38%)


TEXAS PACIFIC LAND CORP

NYSE:TPL (3/11/2026, 7:29:21 PM)

After market: 524 -0.83 (-0.16%)

524.83

+4.07 (+0.78%)


GILEAD SCIENCES INC

NASDAQ:GILD (3/11/2026, 7:01:27 PM)

After market: 145.65 -0.35 (-0.24%)

146

-2.56 (-1.72%)


HUMANA INC

NYSE:HUM (3/11/2026, 7:21:11 PM)

After market: 170.47 -0.48 (-0.28%)

170.95

-2.67 (-1.54%)


UNITEDHEALTH GROUP INC

NYSE:UNH (3/11/2026, 7:39:21 PM)

After market: 283 -2.25 (-0.79%)

285.25

+2.91 (+1.03%)


AUTOZONE INC

NYSE:AZO (3/11/2026, 7:39:52 PM)

After market: 3712.42 0 (0%)

3712.42

-13.6 (-0.37%)


BEST BUY CO INC

NYSE:BBY (3/11/2026, 7:40:07 PM)

After market: 62.9 -0.25 (-0.4%)

63.15

-1.65 (-2.55%)


TAKE-TWO INTERACTIVE SOFTWRE

NASDAQ:TTWO (3/11/2026, 7:29:52 PM)

After market: 210.98 -0.11 (-0.05%)

211.09

+2.01 (+0.96%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (3/11/2026, 7:41:10 PM)

After market: 31.52 -0.27 (-0.85%)

31.79

0 (0%)


ADVANCED MICRO DEVICES

NASDAQ:AMD (3/11/2026, 7:40:45 PM)

After market: 202.22 -2.61 (-1.27%)

204.83

+1.6 (+0.79%)


FIRST SOLAR INC

NASDAQ:FSLR (3/11/2026, 7:32:27 PM)

After market: 198.5 -1.75 (-0.87%)

200.25

+2.45 (+1.24%)


NISOURCE INC

NYSE:NI (3/11/2026, 7:16:53 PM)

After market: 46.05 -0.21 (-0.45%)

46.26

-0.31 (-0.67%)


AES CORP

NYSE:AES (3/11/2026, 7:37:53 PM)

After market: 14.2 -0.03 (-0.21%)

14.23

+0.02 (+0.14%)


DOLLAR GENERAL CORP

NYSE:DG (3/11/2026, 7:40:30 PM)

After market: 144.81 -0.03 (-0.02%)

144.84

-1.16 (-0.79%)


TESLA INC

NASDAQ:TSLA (3/11/2026, 7:41:09 PM)

After market: 404.5 -3.32 (-0.81%)

407.82

+8.58 (+2.15%)


CAESARS ENTERTAINMENT INC

NASDAQ:CZR (3/11/2026, 7:39:42 PM)

After market: 28.76 -0.31 (-1.07%)

29.07

+3.06 (+11.76%)


ENPHASE ENERGY INC

NASDAQ:ENPH (3/11/2026, 7:40:03 PM)

After market: 42.8 -0.54 (-1.25%)

43.34

-0.25 (-0.57%)


MODERNA INC

NASDAQ:MRNA (3/11/2026, 7:24:18 PM)

After market: 55.36 -0.61 (-1.09%)

55.97

+0.99 (+1.8%)


PALANTIR TECHNOLOGIES INC-A

NASDAQ:PLTR (3/11/2026, 7:41:02 PM)

After market: 149.829 -1.77 (-1.17%)

151.6

+0.46 (+0.3%)


GE VERNOVA INC

NYSE:GEV (3/11/2026, 7:40:11 PM)

After market: 841.99 -5.66 (-0.67%)

847.65

+8.45 (+1.01%)



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