Monday's session: gap up and gap down stock in the S&P500 index

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.


gap

Gap down stocks

TickerChangeComment
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.

CME GROUP INC

NASDAQ:CME (2/20/2026, 8:24:55 PM)

After market: 308.09 0 (0%)

308.09

+4.18 (+1.38%)


ARTHUR J GALLAGHER & CO

NYSE:AJG (2/20/2026, 8:16:33 PM)

After market: 216.51 0 (0%)

216.51

-1.86 (-0.85%)


MARSH & MCLENNAN COS

NYSE:MMC (1/13/2026, 8:04:00 PM)

After market: 182.7 0 (0%)

182.7

-2.93 (-1.58%)


AMERICAN INTERNATIONAL GROUP

NYSE:AIG (2/20/2026, 8:16:27 PM)

After market: 80.45 +0.01 (+0.01%)

80.44

+0.9 (+1.13%)


ARCH CAPITAL GROUP LTD

NASDAQ:ACGL (2/20/2026, 8:15:45 PM)

After market: 98.49 0 (0%)

98.49

+0.15 (+0.15%)


PROGRESSIVE CORP

NYSE:PGR (2/20/2026, 8:04:00 PM)

After market: 204.08 0 (0%)

204.08

+2.31 (+1.14%)


UNIVERSAL HEALTH SERVICES-B

NYSE:UHS (2/20/2026, 8:08:42 PM)

After market: 230.49 0 (0%)

230.49

+0.49 (+0.21%)


INTUITIVE SURGICAL INC

NASDAQ:ISRG (2/20/2026, 8:00:01 PM)

Premarket: 501 -3.05 (-0.61%)

504.05

+4.52 (+0.9%)


AON PLC-CLASS A

NYSE:AON (2/20/2026, 8:17:01 PM)

After market: 325.07 0 (0%)

325.07

+0.77 (+0.24%)


HCA HEALTHCARE INC

NYSE:HCA (2/20/2026, 8:04:00 PM)

After market: 532.3 0 (0%)

532.3

+3.64 (+0.69%)



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