By Mill Chart
Last update: Jun 9, 2025
Stay tuned for the market movements in the S&P500 index on Monday. Check out the gap up and gap down stocks in the S&P500 index during today's session.

| Ticker | Change | Comment |
|---|---|---|
| ISRG | -7.55% | INTUITIVE SURGICAL INC's (NASDAQ:ISRG) stock price decreased by 7.55% to $515.0 with a gap of 11.7%. Shareholders saw the stock price going 33.4% higher is the past year. |
| UHS | -7.47% | UNIVERSAL HEALTH SERVICES-B's (NYSE:UHS) shares fell 7.47% to $175.25 during Monday's session with a gap of 11.1%. |
| HCA | -5.62% | HCA HEALTHCARE INC's (NYSE:HCA) shares fell 5.62% to $362.73 during Monday's session with a gap of 7.84%. The stock is trading 20.2% higher than 6 months ago. |
| AJG | -4.12% | In today's session, ARTHUR J GALLAGHER & CO's (NYSE:AJG) stock witnessed a 4.12% fall to $315.22 with a 5.39% gap. In the last year the share price increased with 29.67%. |
| AON | -4.06% | AON PLC-CLASS A's (NYSE:AON) shares suffered a 4.06% decline to $356.02 during Monday's session, accompanied by a 5.47% gap. A press release (Aon Details a Powerful Platform for Growth at 2025 Investor Day) was released earlier today. |
| MMC | -3.64% | MARSH & MCLENNAN COS's (NYSE:MMC) shares fell 3.64% to $221.64 during Monday's session with a gap of 4.88%. |
| PGR | -3.6% | Unfavorable news for PROGRESSIVE CORP's (NYSE:PGR) stock! It witnessed a 3.6% decline to $269.27 in today's session, along with a 5.87% gap. In the last year the share price increased with 31.43%. |
| AIG | -3.48% | AMERICAN INTERNATIONAL GROUP's (NYSE:AIG) shares fell 3.48% to $84.3 during Monday's session with a gap of 4.05%. Earlier today the company had a press release: AIG Announces Results and Upsizing of Its Tender Offers for Certain Outstanding Notes. |
| ACGL | -3.32% | ARCH CAPITAL GROUP LTD's (NASDAQ:ACGL) stock price decreased by 3.32% to $92.36 with a gap of 4.13%. |
| CME | -3.28% | In today's session, CME GROUP INC's (NASDAQ:CME) stock witnessed a 3.28% fall to $265.24 with a 3.83% gap. In the last year the share price increased with 37.56%. |
For the full top loser list go to our gap down stocks screener.
NASDAQ:CME (12/18/2025, 9:42:02 AM)
272.91
-0.83 (-0.3%)
NYSE:AJG (12/18/2025, 9:42:07 AM)
251.83
+0.93 (+0.37%)
NYSE:MMC (12/18/2025, 9:42:01 AM)
185.99
-0.37 (-0.2%)
NYSE:AIG (12/18/2025, 9:42:08 AM)
85.035
-1.11 (-1.28%)
NASDAQ:ACGL (12/18/2025, 9:42:03 AM)
95.3
-0.59 (-0.62%)
NYSE:PGR (12/18/2025, 9:42:09 AM)
224.7
-2.57 (-1.13%)
NYSE:UHS (12/18/2025, 9:41:22 AM)
226.805
+1.91 (+0.85%)
NASDAQ:ISRG (12/18/2025, 9:42:01 AM)
560.62
+3.76 (+0.68%)
NYSE:AON (12/18/2025, 9:42:01 AM)
352.565
+0.54 (+0.15%)
NYSE:HCA (12/18/2025, 9:42:10 AM)
477.75
+5.9 (+1.25%)
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