S&P 500 close — Tuesday, 17 March 2026

S&P 500 closed up 0.36%

S&P 500 treemap for Tuesday, 17 March 2026: each company sized by market capitalisation and coloured by its move that day

S&P 500 movers — March 17, 2026

Of the 501 companies tracked in the S&P 500, 313 rose and 184 fell, with 4 unchanged. Communication Services led the day at +1.33%, while Healthcare lagged at -0.94%.

Top gainers · S&P 500

WDC Western Digital Corporation +9.64%
DAL Delta Air Lines, Inc. +6.56%
GPN Global Payments Inc. +6.42%
STX Seagate Technology Holdings PLC +5.59%
APO Apollo Global Management, Inc. +5.26%
ARES Ares Management Corporation +5.13%
TECH Bio-Techne Corp +4.61%
BX Blackstone Inc. +4.56%

Top losers · S&P 500

TTD The Trade Desk, Inc. -7.42%
LLY Eli Lilly and Company -5.94%
CPAY Corpay, Inc. -3.96%
INTC Intel Corporation -3.72%
COR Cencora, Inc. -3.23%
HCA HCA Healthcare, Inc. -2.92%
DG Dollar General Corporation -2.91%
PSKY Paramount Skydance Corporation -2.84%

By sector

Communication Services +1.33%
Energy +1.02%
Financials +0.57%
Consumer Discretionary +0.56%
Technology +0.37%
Industrials +0.32%
Real Estate +0.22%
Materials +0.17%
Utilities -0.25%
Consumer Staples -0.32%
Healthcare -0.94%

Open the interactive S&P 500 map ← 16 Mar 2026 18 Mar 2026 →All sessions

The same session elsewhere: NASDAQ Dow Jones TSX

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