Get insights into the top movers in the S&P500 index of Tuesday's pre-market session.

By Mill Chart - Last update: May 13, 2025

As we await the opening of the US market on Tuesday, let's delve into the pre-market session and discover the S&P500 top gainers and losers shaping the early market sentiment.

Pre-market losers

TickerChangeComment
UNH-9.4%During Tuesday's pre-market session, the shares of UNITEDHEALTH GROUP INC (NYSE:UNH) declined by 9.4%, reaching $343.16. Earlier today the company had a press release: UnitedHealth Group Announces Leadership Transition.
ELV-4.25%During Tuesday's pre-market session, the shares of ELEVANCE HEALTH INC (NYSE:ELV) declined by 4.25%, reaching $399.0. The stock is trading 23.92% lower than a year ago.
ENPH-3.82%Despite yesterday's decline, ENPHASE ENERGY INC (NASDAQ:ENPH) experienced a further 3.82% decrease in share price during Tuesday's pre-market session, reaching $46.11. In the last 3 months the share price dropped with 25.02%.
CNC-3.45%The pre-market session on Tuesday witnessed a 3.45% decrease in CENTENE CORP's (NYSE:CNC) shares, with the stock price falling to $60.7.
CVS-3.35%Investors observed a 3.35% decline in CVS HEALTH CORP's (NYSE:CVS) stock price, which now stands at $62.64 during Tuesday's pre-market session. In the last 6 months the share price increased with 21.85%.
HUM-3.31%During Tuesday's pre-market session, the shares of HUMANA INC (NYSE:HUM) declined by 3.31%, reaching $244.5. In the last year the share price dropped with 29.01%.
NSC-3.22%NORFOLK SOUTHERN CORP's (NYSE:NSC) stock price is declining with 3.22% to a price of $231.42.
DFS-2.58%DISCOVER FINANCIAL SERVICES's (NYSE:DFS) shares experienced a 2.58% decline, falling to $197.24 during Tuesday's pre-market session. In the last month the share price increased with 28.93%.
LYV-2.36%The stock price of LIVE NATION ENTERTAINMENT IN (NYSE:LYV) is declining by 2.36%, reaching $137.5 during Tuesday's pre-market session. In the last year the share price increased with 45.8%.
FOX-2.3%Investors observed a 2.3% decline in FOX CORP - CLASS B's (NASDAQ:FOX) stock price, which now stands at $47.6 during Tuesday's pre-market session. The stock is trading 59.58% higher than a year ago.

To see the full list of premarket losers you can use our premarket losers page.

DISCOVER FINANCIAL SERVICES

NYSE:DFS (5/16/2025, 8:04:00 PM)

After market: 198.1 -1.95 (-0.97%)

200.05

-0.43 (-0.21%)


CENTENE CORP

NYSE:CNC (2/11/2026, 8:14:37 PM)

Premarket: 40.5 +0.07 (+0.17%)

40.43

+0.82 (+2.07%)


HUMANA INC

NYSE:HUM (2/11/2026, 8:04:00 PM)

Premarket: 173.3 -2.1 (-1.2%)

175.4

-5.9 (-3.25%)


UNITEDHEALTH GROUP INC

NYSE:UNH (2/11/2026, 8:04:00 PM)

Premarket: 278.751 -0.16 (-0.06%)

278.91

+5.69 (+2.08%)


CVS HEALTH CORP

NYSE:CVS (2/11/2026, 8:15:35 PM)

Premarket: 77 -0.02 (-0.03%)

77.02

+1.32 (+1.74%)


LIVE NATION ENTERTAINMENT IN

NYSE:LYV (2/11/2026, 8:04:00 PM)

After market: 151.11 0 (0%)

151.11

+1.79 (+1.2%)


NORFOLK SOUTHERN CORP

NYSE:NSC (2/11/2026, 8:04:00 PM)

Premarket: 314.91 -2.38 (-0.75%)

317.29

+1.84 (+0.58%)


ENPHASE ENERGY INC

NASDAQ:ENPH (2/11/2026, 8:19:23 PM)

Premarket: 48.4 +0.17 (+0.35%)

48.23

-2.02 (-4.02%)


FOX CORP - CLASS B

NASDAQ:FOX (2/11/2026, 8:24:54 PM)

Premarket: 55.18 -0.27 (-0.49%)

55.45

-2.03 (-3.53%)


ELEVANCE HEALTH INC

NYSE:ELV (2/11/2026, 8:19:14 PM)

After market: 331 +0.75 (+0.23%)

330.25

+4.61 (+1.42%)



Find more stocks in the Stock Screener

Follow ChartMill for more
Follow us on StockTwitsFollow us on InstagramFollow us on FacebookFollow us on YouTube