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Stay informed with the top movers within the S&P500 index on Tuesday.

By Mill Chart

Last update: May 13, 2025

Let's delve into the developments on the US markets in the middle of the day on Tuesday. Below, you'll find the top gainers and losers within the S&P500 index during today's session.

Today's top gainers

TickerChangeComment
FSLR18.74%FIRST SOLAR INC's (NASDAQ:FSLR) stock price is advancing with 18.74% to a price of $185.49. The stock is trading 24.05% higher than a month ago.
SMCI14.23%SUPER MICRO COMPUTER INC's (NASDAQ:SMCI) shares soared 14.23% to $38.29 during Tuesday's session. The stock is trading 30.04% lower than 3 months ago.
PLTR7.8%PALANTIR TECHNOLOGIES INC-A's (NASDAQ:PLTR) stock price is advancing with 7.8% to a price of $127.7. The stock is trading 33.78% higher than a month ago.
VST6.23%VISTRA CORP (NYSE:VST) experienced a significant 6.23% increase, reaching $155.19 during Tuesday's session. Shareholders saw the stock price going 30.78% higher in the past month.
GEV5.97%Investors celebrated as GE VERNOVA INC (NYSE:GEV) experienced a 5.97% rise in its shares, closing at $441.51 during Tuesday's session. In the last month the share price increased with 29.62%.
BLDR5.85%Positive market sentiment drove BUILDERS FIRSTSOURCE INC's (NYSE:BLDR) stock price up by 5.85% to $124.89 during Tuesday's session. The stock is trading 23.33% lower than 3 months ago.
NVDA5.63%NVIDIA CORP (NASDAQ:NVDA) experienced a significant 5.63% increase, reaching $129.93 during Tuesday's session. The stock is trading 33.0% higher than a year ago.
AES5.05%AES CORP (NYSE:AES) witnessed a notable 5.05% uptick in its shares, reaching $12.47 during Tuesday's session. Shareholders saw the stock price going 44.22% lower is the past year.
PSX5.0%In an impressive move, PHILLIPS 66's (NYSE:PSX) shares recorded a 5.0% increase, closing at $124.61 during Tuesday's session. A press release (Phillips 66 Issues Statement Following Glass Lewis and ISS Reports) was released earlier today.
WDC4.94%WESTERN DIGITAL CORP's (NASDAQ:WDC) stock price displayed strong growth, advancing 4.94% and reaching $48.87 during Tuesday's session. A press release (Western Digital Authorizes New $2.0 Billion Share Repurchase Program) was released earlier today.

For the full top gainers list go to our top gainers page.

Losers

TickerChangeComment
UNH-15.64%UNITEDHEALTH GROUP INC's (NYSE:UNH) stock price faced a 15.64% decline, reaching $319.5 during Tuesday's session. Earlier today the company had a press release: INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in UnitedHealth Group Incorporated of Class Action Lawsuit and Upcoming Deadlines - UNH.
ENPH-7.3%ENPHASE ENERGY INC's (NASDAQ:ENPH) shares fell 7.3% to $44.44. In the last 3 months the stock lost 25.02%.
ELV-6.76%There was a downturn in ELEVANCE HEALTH INC's (NYSE:ELV) shares, as they experienced a 6.76% decline, closing at $388.51 during Tuesday's session. In the last year the stock lost 23.92%.
HUM-6.64%Investors witnessed a 6.64% drop in HUMANA INC's (NYSE:HUM) stock price, which closed at $236.06 during Tuesday's session. The stock is trading 29.01% lower than a year ago.
CNC-4.76%The market experienced a downward movement in CENTENE CORP's (NYSE:CNC) stock price, closing at $59.88 with a 4.76% decrease during Tuesday's session.
CVS-4.57%CVS HEALTH CORP's (NYSE:CVS) stock price decreased by 4.57% to $61.85. In the last 6 months the stock gained 21.85%.
SPG-4.27%SIMON PROPERTY GROUP INC's (NYSE:SPG) stock price decreased by 4.27% to $164.13.
MRK-3.73%During Tuesday's session, MERCK & CO. INC.'s (NYSE:MRK) shares took a tumble, falling 3.73% to $77.43. Earlier today the company had a press release: Research on Novel Treatment Approaches and Scientific Advances From Merck’s Broad and Differentiated Oncology Portfolio and Pipeline to be Presented at ASCO 2025.
MOH-3.6%MOLINA HEALTHCARE INC's (NYSE:MOH) shares fell 3.6% to $315.89 during Tuesday's session. In the last 3 months the stock gained 20.35%.
CI-3.52%Investors witnessed a 3.52% decrease in THE CIGNA GROUP's (NYSE:CI) stock price, which closed at $304.63 during Tuesday's session.

Our top losers page will show you the full list.

SIMON PROPERTY GROUP INC

NYSE:SPG (8/22/2025, 8:04:00 PM)

After market: 175.79 -0.77 (-0.44%)

176.56

+3.13 (+1.8%)


MERCK & CO. INC.

NYSE:MRK (8/22/2025, 8:25:13 PM)

After market: 87.4999 +0.13 (+0.15%)

87.37

+1.29 (+1.5%)


CENTENE CORP

NYSE:CNC (8/22/2025, 8:04:00 PM)

After market: 29.37 -0.04 (-0.14%)

29.41

+0.6 (+2.08%)


THE CIGNA GROUP

NYSE:CI (8/22/2025, 8:04:00 PM)

After market: 304.35 0 (0%)

304.35

+3.4 (+1.13%)


HUMANA INC

NYSE:HUM (8/22/2025, 8:14:13 PM)

After market: 300 +0.49 (+0.16%)

299.51

+5.04 (+1.71%)


MOLINA HEALTHCARE INC

NYSE:MOH (8/22/2025, 8:25:01 PM)

After market: 174.5 +0.06 (+0.03%)

174.44

+1.61 (+0.93%)


UNITEDHEALTH GROUP INC

NYSE:UNH (8/22/2025, 8:04:00 PM)

After market: 307.35 -0.07 (-0.02%)

307.42

+4.07 (+1.34%)


CVS HEALTH CORP

NYSE:CVS (8/22/2025, 8:04:00 PM)

After market: 71.29 -0.01 (-0.01%)

71.3

-0.13 (-0.18%)


BUILDERS FIRSTSOURCE INC

NYSE:BLDR (8/22/2025, 8:04:01 PM)

After market: 144.93 +0.48 (+0.33%)

144.45

+11.23 (+8.43%)


WESTERN DIGITAL CORP

NASDAQ:WDC (8/22/2025, 8:00:02 PM)

After market: 77.2 +0.23 (+0.3%)

76.97

+2.31 (+3.09%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (8/22/2025, 8:00:02 PM)

After market: 44.05 +0.17 (+0.39%)

43.88

+1.57 (+3.71%)


FIRST SOLAR INC

NASDAQ:FSLR (8/22/2025, 8:10:44 PM)

After market: 203 +0.72 (+0.36%)

202.28

+10.28 (+5.35%)


NVIDIA CORP

NASDAQ:NVDA (8/22/2025, 8:27:46 PM)

After market: 178.38 +0.39 (+0.22%)

177.99

+3.01 (+1.72%)


AES CORP

NYSE:AES (8/22/2025, 8:04:00 PM)

After market: 13.48 -0.01 (-0.07%)

13.49

+0.52 (+4.01%)


ENPHASE ENERGY INC

NASDAQ:ENPH (8/22/2025, 8:04:55 PM)

After market: 38.369 +0.19 (+0.5%)

38.18

+3.6 (+10.41%)


PHILLIPS 66

NYSE:PSX (8/22/2025, 8:04:00 PM)

After market: 128.5 -1.44 (-1.11%)

129.94

+5.49 (+4.41%)


PALANTIR TECHNOLOGIES INC-A

NASDAQ:PLTR (8/22/2025, 10:26:46 PM)

After market: 159.68 +0.94 (+0.59%)

158.74

+2.56 (+1.64%)


VISTRA CORP

NYSE:VST (8/22/2025, 8:04:00 PM)

After market: 191 +0.54 (+0.28%)

190.46

+0.18 (+0.09%)


ELEVANCE HEALTH INC

NYSE:ELV (8/22/2025, 8:04:45 PM)

After market: 317 +0.45 (+0.14%)

316.55

+6.95 (+2.24%)


GE VERNOVA INC

NYSE:GEV (8/22/2025, 8:11:52 PM)

After market: 608.82 +1.75 (+0.29%)

607.07

+1.07 (+0.18%)



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