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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 (8/15/2025, 8:18:47 PM)

After market: 42.36 0 (0%)

42.36

+0.08 (+0.19%)


TEXAS PACIFIC LAND CORP

NYSE:TPL (8/15/2025, 8:04:00 PM)

After market: 882.15 0 (0%)

882.15

-30.4 (-3.33%)


GILEAD SCIENCES INC

NASDAQ:GILD (8/15/2025, 8:25:23 PM)

After market: 118.37 0 (0%)

118.37

-0.65 (-0.55%)


HUMANA INC

NYSE:HUM (8/15/2025, 8:27:27 PM)

After market: 290.788 +4.4 (+1.54%)

286.39

+5.05 (+1.79%)


UNITEDHEALTH GROUP INC

NYSE:UNH (8/15/2025, 8:04:00 PM)

After market: 305.5 +1.49 (+0.49%)

304.01

+32.52 (+11.98%)


AUTOZONE INC

NYSE:AZO (8/15/2025, 8:06:26 PM)

After market: 4006.91 0 (0%)

4006.91

+14.43 (+0.36%)


BEST BUY CO INC

NYSE:BBY (8/15/2025, 8:06:41 PM)

After market: 71.63 0 (0%)

71.63

-0.11 (-0.15%)


TAKE-TWO INTERACTIVE SOFTWRE

NASDAQ:TTWO (8/15/2025, 8:00:01 PM)

After market: 232.18 0 (0%)

232.18

-0.98 (-0.42%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (8/15/2025, 8:00:02 PM)

After market: 45.2397 -0.13 (-0.29%)

45.37

-0.12 (-0.26%)


ADVANCED MICRO DEVICES

NASDAQ:AMD (8/15/2025, 8:05:08 PM)

After market: 177.59 +0.08 (+0.05%)

177.51

-3.44 (-1.9%)


FIRST SOLAR INC

NASDAQ:FSLR (8/15/2025, 8:23:56 PM)

After market: 201.88 +1.93 (+0.97%)

199.95

+19.9 (+11.05%)


NISOURCE INC

NYSE:NI (8/15/2025, 8:04:00 PM)

After market: 41.95 0 (0%)

41.95

-0.6 (-1.41%)


AES CORP

NYSE:AES (8/15/2025, 8:04:25 PM)

After market: 13.37 +0.06 (+0.45%)

13.31

+0.37 (+2.86%)


DOLLAR GENERAL CORP

NYSE:DG (8/15/2025, 8:15:45 PM)

After market: 111.2 -1.57 (-1.39%)

112.77

-1.93 (-1.68%)


TESLA INC

NASDAQ:TSLA (8/15/2025, 9:52:35 PM)

After market: 330.15 -0.41 (-0.12%)

330.56

-5.02 (-1.5%)


CAESARS ENTERTAINMENT INC

NASDAQ:CZR (8/15/2025, 8:13:56 PM)

After market: 25.3108 -0.02 (-0.08%)

25.33

-0.2 (-0.78%)


ENPHASE ENERGY INC

NASDAQ:ENPH (8/15/2025, 8:17:27 PM)

After market: 35.25 +0.41 (+1.18%)

34.84

+2.62 (+8.13%)


MODERNA INC

NASDAQ:MRNA (8/15/2025, 8:00:01 PM)

After market: 28.0998 +0.08 (+0.28%)

28.02

+1.33 (+4.98%)


PALANTIR TECHNOLOGIES INC-A

NASDAQ:PLTR (8/15/2025, 8:00:00 PM)

After market: 177.35 +0.18 (+0.1%)

177.17

-3.85 (-2.13%)


GE VERNOVA INC

NYSE:GEV (8/15/2025, 8:25:05 PM)

After market: 621.5 -0.41 (-0.07%)

621.91

-3.36 (-0.54%)



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