What's going on in today's pre-market session: S&P500 movers
By Mill Chart
Last update: May 20, 2025
Pre-market stock analysis of S&P500 stocks on 2025-05-20: top gainers and losers in today's session.
Gainers
| Ticker | Change | Comment |
|---|---|---|
| LNT | 4.52% | During Tuesday's pre-market session, ALLIANT ENERGY CORP (NASDAQ:LNT) experienced a 4.52% increase, with the stock price reaching $65.94. The stock is trading 26.31% higher than a year ago. |
| TMO | 3.77% | THERMO FISHER SCIENTIFIC INC's (NYSE:TMO) shares rose 3.77% to $429.52 during Tuesday's pre-market session. In the last 3 months the stock lost 22.28%. |
| HPE | 3.38% | HEWLETT PACKARD ENTERPRISE's (NYSE:HPE) stock price increased by 3.38% to $18.05. A press release (Hewlett Packard Enterprise Deepens Integration with NVIDIA on AI Factory Portfolio) was released yesterday. |
| UNH | 2.69% | During Tuesday's pre-market session, UNITEDHEALTH GROUP INC (NYSE:UNH) exhibited strong growth, with the stock price climbing 2.69% to $324.39. Yesterday the company had a press release: UNITEDHEALTH GROUP INCORPORATED (NYSE: UNH) SHAREHOLDER ALERT Bernstein Liebhard LLP Reminds UnitedHealth Group Incorporated Investors of Upcoming Deadline. |
| EW | 2.51% | EDWARDS LIFESCIENCES CORP's (NYSE:EW) shares rose 2.51% to $80.0. |
| HD | 2.4% | HOME DEPOT INC (NYSE:HD) rose 2.4% to $388.5 during Tuesday's pre-market session. yesterday the company released their earnings. |
| CI | 2.17% | Pre-market trading on Tuesday showed positive momentum for THE CIGNA GROUP (NYSE:CI), as the stock price advanced 2.17% to reach $328.95. |
For the full premarket gainers list go to our premarket gainers page.
Today's pre-market losers
| Ticker | Change | Comment |
|---|---|---|
| DE | -5.96% | DEERE & CO's (NYSE:DE) shares fell 5.96% to $498.25. The stock is trading 41.3% higher than a year ago. |
| GE | -5.73% | GENERAL ELECTRIC's (NYSE:GE) shares fell 5.73% to $221.81 during Tuesday's pre-market session. The stock is trading 31.93% higher than a month ago. |
| MCK | -5.23% | Investors observed a 5.23% decline in MCKESSON CORP's (NYSE:MCK) stock price, which now stands at $688.4 during Tuesday's pre-market session. In the last 3 months the stock gained 21.53%. |
| RMD | -4.09% | RESMED INC's (NYSE:RMD) shares fell 4.09% to $243.0. In the last month the share price increased with 20.15%. |
| IBM | -3.81% | The stock price of INTL BUSINESS MACHINES CORP (NYSE:IBM) is declining by 3.81%, reaching $258.19 during Tuesday's pre-market session. Shareholders saw the stock price going 20.38% higher is the past 6 months. |
| MCD | -3.55% | MCDONALD'S CORP's (NYSE:MCD) stock price decreased by 3.55% to $309.83. In the last year the stock gained 24.45%. |
| BSX | -3.29% | BOSTON SCIENTIFIC CORP's (NYSE:BSX) shares experienced a 3.29% decline, falling to $103.15 during Tuesday's pre-market session. Shareholders saw the stock price going 41.03% higher is the past year. |
| TJX | -3.22% | During Tuesday's pre-market session, the shares of TJX COMPANIES INC (NYSE:TJX) declined by 3.22%, reaching $130.68. TJX is releasing earnings today. In the last year the stock gained 32.2%. |
| HAS | -3.04% | HASBRO INC's (NASDAQ:HAS) shares fell 3.04% to $66.11 during Tuesday's pre-market session. Shareholders saw the stock price going 32.29% higher in the past month. |
| HON | -2.86% | The stock price of HONEYWELL INTERNATIONAL INC (NASDAQ:HON) is experiencing a decline of 2.86%, reaching $218.51 in today's pre-market session on Tuesday. |
To see the full list of premarket losers you can use our premarket losers page.
NYSE:GE (1/8/2026, 2:41:07 PM)
312.2
-11.44 (-3.53%)
NYSE:CI (1/8/2026, 2:41:05 PM)
285.385
+6.26 (+2.24%)
NYSE:UNH (1/8/2026, 2:41:09 PM)
346.41
+4.71 (+1.38%)
NYSE:EW (1/8/2026, 2:40:44 PM)
84.59
-0.24 (-0.28%)
NYSE:RMD (1/8/2026, 2:40:57 PM)
251.36
+3.15 (+1.27%)
NYSE:BSX (1/8/2026, 2:41:07 PM)
98.9
+0.25 (+0.25%)
NASDAQ:HON (1/8/2026, 2:41:02 PM)
205.26
+5.75 (+2.88%)
NYSE:DE (1/8/2026, 2:41:06 PM)
503.52
+28.32 (+5.96%)
NYSE:TJX (1/8/2026, 2:41:08 PM)
158.185
+4.15 (+2.69%)
NYSE:MCK (1/8/2026, 2:41:09 PM)
809.54
-14.41 (-1.75%)
NYSE:HD (1/8/2026, 2:41:02 PM)
362.09
+13.03 (+3.73%)
NYSE:MCD (1/8/2026, 2:41:05 PM)
308.61
+4.45 (+1.46%)
NYSE:IBM (1/8/2026, 2:41:09 PM)
301.4
+4.67 (+1.57%)
NYSE:TMO (1/8/2026, 2:41:08 PM)
615.105
-2.04 (-0.33%)
NASDAQ:LNT (1/8/2026, 2:40:44 PM)
65.33
+0.73 (+1.13%)
NASDAQ:HAS (1/8/2026, 2:41:00 PM)
88.58
+1.56 (+1.79%)
NYSE:HPE (1/8/2026, 2:41:06 PM)
22.07
-0.36 (-1.6%)
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