Stay informed with the top movers within the S&P500 index on Monday.

By Mill Chart - Last update: Dec 15, 2025

Let's delve into the developments on the US markets in the middle of the day on Monday. Below, you'll find the top gainers and losers within the S&P500 index during today's session.


topmovers

Gainers

TickerChangeComment
IT4.56%GARTNER INC (NYSE:IT) witnessed a notable 4.56% uptick in its shares, reaching $244.56 during Monday's session. In the last 6 months the stock lost 42.25%.
KLAC3.66%Investors celebrated as KLA CORP (NASDAQ:KLAC) experienced a 3.66% rise in its shares, closing at $1.24K during Monday's session. In the last 3 months the share price increased with 23.85%.
TSLA3.64%TESLA INC (NASDAQ:TSLA) witnessed a notable 3.64% uptick in its shares, reaching $475.67 during Monday's session. Shareholders saw the stock price going 41.08% higher is the past 6 months.
LRCX3.55%LAM RESEARCH CORP's (NASDAQ:LRCX) shares rose 3.55% to $166.22 during Monday's session. Shareholders saw the stock price going 37.24% higher in the past 3 months.
PM3.46%PHILIP MORRIS INTERNATIONAL's (NYSE:PM) stock price displayed strong growth, advancing 3.46% and reaching $158.96 during Monday's session. In the last year the stock gained 21.35%.
BMY3.43%BRISTOL-MYERS SQUIBB CO's (NYSE:BMY) shares rose 3.43% to $54.21.
CMCSA3.04%In an impressive move, COMCAST CORP-CLASS A's (NASDAQ:CMCSA) shares recorded a 3.04% increase, closing at $28.06 during Monday's session. Earlier today the company had a press release: Comcast Completes Network Expansion in Litchfield County, Delivering High-Speed Internet to Nearly 22,000 Homes and Businesses.
EXPE2.89%EXPEDIA GROUP INC's (NASDAQ:EXPE) stock price displayed strong growth, advancing 2.89% and reaching $282.13 during Monday's session. The stock is trading 23.41% higher than 3 months ago.
BKNG2.65%Investors celebrated as BOOKING HOLDINGS INC (NASDAQ:BKNG) experienced a 2.65% rise in its shares, closing at $5.44K during Monday's session.
ABT2.65%Investors celebrated as ABBOTT LABORATORIES (NYSE:ABT) experienced a 2.65% rise in its shares, closing at $128.78 during Monday's session.

To see the full list of top gainers you can use our top gainers page.

Today's top losers

TickerChangeComment
NOW-11.05%During Monday's session, SERVICENOW INC's (NYSE:NOW) shares took a tumble, falling 11.05% to $769.49. Shareholders saw the stock price going 22.84% lower is the past year.
CSGP-6.93%There was a notable decline in COSTAR GROUP INC's (NASDAQ:CSGP) shares, as they dropped 6.93% to $63.51 during Monday's session. The stock is trading 21.39% lower than 3 months ago.
COIN-5.34%COINBASE GLOBAL INC -CLASS A's (NASDAQ:COIN) stock price encountered a 5.34% decline, reaching $253.19 during Monday's session.
AVGO-4.77%BROADCOM INC's (NASDAQ:AVGO) stock price is declining with 4.77% to a price of $342.75. Shareholders saw the stock price going 44.72% higher is the past 6 months.
LYB-4.74%LYONDELLBASELL INDU-CL A's (NYSE:LYB) stock price decreased by 4.74% to $42.28. In the last 6 months the share price dropped with 26.14%.
BLDR-4.45%BUILDERS FIRSTSOURCE INC's (NYSE:BLDR) shares fell 4.45% to $103.66. The stock is trading 24.0% lower than 3 months ago.
APA-3.63%APA CORP's (NASDAQ:APA) stock price faced a 3.63% decline, reaching $24.99 during Monday's session. The stock is trading 23.42% higher than 6 months ago.
DOW-3.53%The market experienced a downward movement in DOW INC's (NYSE:DOW) stock price, closing at $23.13 with a 3.53% decrease during Monday's session. In the last year the share price dropped with 41.34%.
STZ-3.41%CONSTELLATION BRANDS INC-A's (NYSE:STZ) stock price decreased by 3.41% to $142.4. In the last year the share price dropped with 38.49%.
WDAY-3.35%WORKDAY INC-CLASS A's (NASDAQ:WDAY) stock price is declining with 3.35% to a price of $216.97.

For the full top loser list go to our top losers page.

DOW INC

NYSE:DOW (2/27/2026, 8:04:00 PM)

After market: 30.77 +0.04 (+0.13%)

30.73

+0.83 (+2.78%)


APA CORP

NASDAQ:APA (2/27/2026, 8:00:02 PM)

After market: 30.43 +0.06 (+0.2%)

30.37

+1.27 (+4.36%)


CONSTELLATION BRANDS INC-A

NYSE:STZ (2/27/2026, 8:04:00 PM)

After market: 157.86 0 (0%)

157.86

+2.1 (+1.35%)


PHILIP MORRIS INTERNATIONAL

NYSE:PM (2/27/2026, 8:27:10 PM)

After market: 186.83 0 (0%)

186.83

-0.67 (-0.36%)


ABBOTT LABORATORIES

NYSE:ABT (2/27/2026, 8:04:00 PM)

After market: 116.35 0 (0%)

116.35

+0.09 (+0.08%)


BRISTOL-MYERS SQUIBB CO

NYSE:BMY (2/27/2026, 8:04:00 PM)

After market: 62.25 -0.12 (-0.19%)

62.37

+1.27 (+2.08%)


COSTAR GROUP INC

NASDAQ:CSGP (2/27/2026, 8:00:00 PM)

After market: 44.6 -0.03 (-0.07%)

44.63

-0.37 (-0.82%)


COMCAST CORP-CLASS A

NASDAQ:CMCSA (2/27/2026, 8:00:00 PM)

After market: 30.8863 -0.07 (-0.24%)

30.96

+0.11 (+0.36%)


BUILDERS FIRSTSOURCE INC

NYSE:BLDR (2/27/2026, 8:04:00 PM)

After market: 104.29 0 (0%)

104.29

-0.27 (-0.26%)


GARTNER INC

NYSE:IT (2/27/2026, 8:11:52 PM)

After market: 157.2 0 (0%)

157.2

+1.4 (+0.9%)


EXPEDIA GROUP INC

NASDAQ:EXPE (2/27/2026, 8:00:02 PM)

After market: 215.69 0 (0%)

215.69

-2.24 (-1.03%)


BOOKING HOLDINGS INC

NASDAQ:BKNG (2/27/2026, 9:47:27 PM)

After market: 4226 -13.35 (-0.31%)

4239.35

-10.91 (-0.26%)


KLA CORP

NASDAQ:KLAC (2/27/2026, 8:14:48 PM)

After market: 1514 -10.55 (-0.69%)

1524.55

+0.24 (+0.02%)


LAM RESEARCH CORP

NASDAQ:LRCX (2/27/2026, 8:16:02 PM)

After market: 233.45 -0.44 (-0.19%)

233.89

-5.18 (-2.17%)


BROADCOM INC

NASDAQ:AVGO (2/27/2026, 8:00:02 PM)

After market: 317.686 -1.86 (-0.58%)

319.55

-2.15 (-0.67%)


TESLA INC

NASDAQ:TSLA (2/27/2026, 8:00:02 PM)

After market: 401.8 -0.71 (-0.18%)

402.51

-6.07 (-1.49%)


SERVICENOW INC

NYSE:NOW (2/27/2026, 8:23:06 PM)

After market: 108.05 +0.04 (+0.04%)

108.01

-1.29 (-1.18%)


WORKDAY INC-CLASS A

NASDAQ:WDAY (2/27/2026, 8:00:02 PM)

After market: 133.72 -0.04 (-0.03%)

133.76

-5.35 (-3.85%)


LYONDELLBASELL INDU-CL A

NYSE:LYB (2/27/2026, 8:16:18 PM)

After market: 57.54 +0.02 (+0.03%)

57.52

+1.22 (+2.17%)


COINBASE GLOBAL INC -CLASS A

NASDAQ:COIN (2/27/2026, 8:00:00 PM)

After market: 175.801 -0.05 (-0.03%)

175.85

-5.21 (-2.88%)



Find more stocks in the Stock Screener

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