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

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 (1/30/2026, 8:04:00 PM)

After market: 59.9601 -0.27 (-0.45%)

60.23

-4.9 (-7.52%)


TEXAS PACIFIC LAND CORP

NYSE:TPL (1/30/2026, 8:21:43 PM)

After market: 348.6 +0.24 (+0.07%)

348.36

-4.85 (-1.37%)


GILEAD SCIENCES INC

NASDAQ:GILD (1/30/2026, 8:00:01 PM)

After market: 141.54 -0.41 (-0.29%)

141.95

+2.4 (+1.72%)


HUMANA INC

NYSE:HUM (1/30/2026, 8:04:00 PM)

After market: 195.5 +0.3 (+0.15%)

195.2

-1.47 (-0.75%)


UNITEDHEALTH GROUP INC

NYSE:UNH (1/30/2026, 8:22:37 PM)

After market: 286.28 -0.65 (-0.23%)

286.93

-5.36 (-1.83%)


AUTOZONE INC

NYSE:AZO (1/30/2026, 8:04:00 PM)

After market: 3704.29 0 (0%)

3704.29

+0.53 (+0.01%)


BEST BUY CO INC

NYSE:BBY (1/30/2026, 8:04:00 PM)

After market: 65.04 -0.06 (-0.09%)

65.1

-0.05 (-0.08%)


TAKE-TWO INTERACTIVE SOFTWRE

NASDAQ:TTWO (1/30/2026, 8:22:13 PM)

After market: 220.79 +0.49 (+0.22%)

220.3

-18.97 (-7.93%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (1/30/2026, 8:19:09 PM)

After market: 29.15 +0.04 (+0.14%)

29.11

-1.01 (-3.35%)


ADVANCED MICRO DEVICES

NASDAQ:AMD (1/30/2026, 8:00:00 PM)

After market: 236.76 +0.03 (+0.01%)

236.73

-15.45 (-6.13%)


FIRST SOLAR INC

NASDAQ:FSLR (1/30/2026, 8:00:00 PM)

After market: 224.31 -1.21 (-0.54%)

225.52

+1.51 (+0.67%)


NISOURCE INC

NYSE:NI (1/30/2026, 8:09:08 PM)

After market: 44.45 +0.16 (+0.36%)

44.29

-0.36 (-0.81%)


AES CORP

NYSE:AES (1/30/2026, 8:04:00 PM)

After market: 14.7 +0.05 (+0.34%)

14.65

-0.39 (-2.59%)


DOLLAR GENERAL CORP

NYSE:DG (1/30/2026, 8:04:00 PM)

After market: 143 -0.43 (-0.3%)

143.43

+1.65 (+1.16%)


TESLA INC

NASDAQ:TSLA (1/30/2026, 8:22:04 PM)

After market: 429.63 -0.78 (-0.18%)

430.41

+13.85 (+3.32%)


CAESARS ENTERTAINMENT INC

NASDAQ:CZR (1/30/2026, 8:00:01 PM)

After market: 20.7463 +0.05 (+0.22%)

20.7

-0.58 (-2.73%)


ENPHASE ENERGY INC

NASDAQ:ENPH (1/30/2026, 8:00:02 PM)

After market: 36.8792 -0.1 (-0.27%)

36.98

-1.27 (-3.32%)


MODERNA INC

NASDAQ:MRNA (1/30/2026, 10:05:09 PM)

After market: 43.7 -0.37 (-0.84%)

44.07

-2.79 (-5.95%)


PALANTIR TECHNOLOGIES INC-A

NASDAQ:PLTR (1/30/2026, 8:13:22 PM)

After market: 147.167 +0.58 (+0.39%)

146.59

-5.27 (-3.47%)


GE VERNOVA INC

NYSE:GEV (1/30/2026, 8:04:00 PM)

After market: 726.729 +0.36 (+0.05%)

726.37

+8.98 (+1.25%)



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