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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 (1/6/2026, 4:45:38 PM)

After market: 186.3 0 (0%)

186.3

+3.19 (+1.74%)


MERCK & CO. INC.

NYSE:MRK (1/6/2026, 4:39:43 PM)

After market: 108.92 +0.05 (+0.05%)

108.87

+1.43 (+1.33%)


CENTENE CORP

NYSE:CNC (1/6/2026, 4:44:32 PM)

After market: 45.74 0 (0%)

45.74

+1.06 (+2.37%)


THE CIGNA GROUP

NYSE:CI (1/6/2026, 4:54:33 PM)

After market: 284.76 0 (0%)

284.76

+0.79 (+0.28%)


HUMANA INC

NYSE:HUM (1/6/2026, 4:31:18 PM)

After market: 279.86 +0.02 (+0.01%)

279.84

+4.04 (+1.46%)


MOLINA HEALTHCARE INC

NYSE:MOH (1/6/2026, 4:35:04 PM)

After market: 184.73 0 (0%)

184.73

+1.93 (+1.06%)


UNITEDHEALTH GROUP INC

NYSE:UNH (1/6/2026, 4:50:26 PM)

After market: 349.21 +0.24 (+0.07%)

348.97

+6.95 (+2.03%)


CVS HEALTH CORP

NYSE:CVS (1/6/2026, 4:44:37 PM)

After market: 80.7 0 (0%)

80.7

+0.28 (+0.35%)


BUILDERS FIRSTSOURCE INC

NYSE:BLDR (1/6/2026, 4:15:00 PM)

After market: 111.26 0 (0%)

111.26

+2.82 (+2.6%)


WESTERN DIGITAL CORP

NASDAQ:WDC (1/6/2026, 4:56:22 PM)

After market: 219.93 +0.55 (+0.25%)

219.38

+31.5 (+16.77%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (1/6/2026, 4:57:07 PM)

After market: 30.47 -0.07 (-0.23%)

30.54

+0.47 (+1.56%)


FIRST SOLAR INC

NASDAQ:FSLR (1/6/2026, 4:44:28 PM)

After market: 268.78 0 (0%)

268.78

-3.22 (-1.18%)


NVIDIA CORP

NASDAQ:NVDA (1/6/2026, 4:56:54 PM)

After market: 187.773 +0.53 (+0.28%)

187.24

-0.88 (-0.47%)


AES CORP

NYSE:AES (1/6/2026, 4:54:56 PM)

After market: 14.9635 +0.06 (+0.43%)

14.9

+0.17 (+1.15%)


ENPHASE ENERGY INC

NASDAQ:ENPH (1/6/2026, 4:41:41 PM)

After market: 34.78 +0.03 (+0.09%)

34.75

+0.75 (+2.21%)


PHILLIPS 66

NYSE:PSX (1/6/2026, 4:44:30 PM)

After market: 136.65 0 (0%)

136.65

-3.33 (-2.38%)


PALANTIR TECHNOLOGIES INC-A

NASDAQ:PLTR (1/6/2026, 4:57:00 PM)

After market: 179.406 -0.3 (-0.17%)

179.71

+5.67 (+3.26%)


VISTRA CORP

NYSE:VST (1/6/2026, 4:52:09 PM)

After market: 169.6 +0.07 (+0.04%)

169.53

+6.6 (+4.05%)


ELEVANCE HEALTH INC

NYSE:ELV (1/6/2026, 4:44:29 PM)

After market: 371.37 0 (0%)

371.37

+7.86 (+2.16%)


GE VERNOVA INC

NYSE:GEV (1/6/2026, 4:56:31 PM)

After market: 687.1 +0.77 (+0.11%)

686.33

+5.47 (+0.8%)



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