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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 (9/17/2025, 5:11:21 PM)

After market: 181.56 0 (0%)

181.56

+0.04 (+0.02%)


MERCK & CO. INC.

NYSE:MRK (9/17/2025, 5:36:35 PM)

After market: 81.14 0 (0%)

81.14

+0.05 (+0.06%)


CENTENE CORP

NYSE:CNC (9/17/2025, 5:29:10 PM)

After market: 32.03 +0.01 (+0.03%)

32.02

+0.22 (+0.69%)


THE CIGNA GROUP

NYSE:CI (9/17/2025, 5:05:00 PM)

After market: 296.59 0 (0%)

296.59

+2.38 (+0.81%)


HUMANA INC

NYSE:HUM (9/17/2025, 5:23:10 PM)

After market: 270 +0.61 (+0.23%)

269.39

-2.93 (-1.08%)


MOLINA HEALTHCARE INC

NYSE:MOH (9/17/2025, 5:05:00 PM)

After market: 176.32 0 (0%)

176.32

-0.13 (-0.07%)


UNITEDHEALTH GROUP INC

NYSE:UNH (9/17/2025, 5:32:44 PM)

After market: 342.05 +0.44 (+0.13%)

341.61

+1.83 (+0.54%)


CVS HEALTH CORP

NYSE:CVS (9/17/2025, 5:05:00 PM)

After market: 74 0 (0%)

74

+0.52 (+0.71%)


BUILDERS FIRSTSOURCE INC

NYSE:BLDR (9/17/2025, 5:32:15 PM)

After market: 130.25 +0.97 (+0.75%)

129.28

-7.71 (-5.63%)


WESTERN DIGITAL CORP

NASDAQ:WDC (9/17/2025, 5:35:04 PM)

After market: 100.91 -0.03 (-0.03%)

100.94

-2.15 (-2.09%)


SUPER MICRO COMPUTER INC

NASDAQ:SMCI (9/17/2025, 5:37:38 PM)

After market: 44.88 -0.02 (-0.04%)

44.9

-0.01 (-0.02%)


FIRST SOLAR INC

NASDAQ:FSLR (9/17/2025, 5:20:00 PM)

After market: 210.6 -0.11 (-0.05%)

210.71

+5.46 (+2.66%)


NVIDIA CORP

NASDAQ:NVDA (9/17/2025, 5:37:25 PM)

After market: 170.69 +0.4 (+0.23%)

170.29

-4.59 (-2.62%)


AES CORP

NYSE:AES (9/17/2025, 5:30:06 PM)

After market: 12.57 +0.06 (+0.48%)

12.51

-0.19 (-1.5%)


ENPHASE ENERGY INC

NASDAQ:ENPH (9/17/2025, 5:37:53 PM)

After market: 38.72 0 (0%)

38.72

-0.27 (-0.69%)


PHILLIPS 66

NYSE:PSX (9/17/2025, 5:05:00 PM)

After market: 133.14 0 (0%)

133.14

+0.1 (+0.08%)


PALANTIR TECHNOLOGIES INC-A

NASDAQ:PLTR (9/17/2025, 5:37:27 PM)

After market: 167.85 -0.48 (-0.29%)

168.33

-1.93 (-1.13%)


VISTRA CORP

NYSE:VST (9/17/2025, 5:23:34 PM)

After market: 208.5 +0.19 (+0.09%)

208.31

-1.12 (-0.53%)


ELEVANCE HEALTH INC

NYSE:ELV (9/17/2025, 5:05:00 PM)

After market: 308.48 0 (0%)

308.48

-1.52 (-0.49%)


GE VERNOVA INC

NYSE:GEV (9/17/2025, 5:26:26 PM)

After market: 614 -0.79 (-0.13%)

614.79

-3.12 (-0.5%)



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