S&P 500 close — Friday, 20 March 2026

S&P 500 closed down 1.57%

S&P 500 treemap for Friday, 20 March 2026: each company sized by market capitalisation and coloured by its move that day

S&P 500 movers — March 20, 2026

Of the 501 companies tracked in the S&P 500, 111 rose and 390 fell. Financials led the day at +0.14%, while Utilities lagged at -4.08%.

Top gainers · S&P 500

MRSH Marsh +3.26%
APA APA Corporation +2.76%
AON Aon plc +2.73%
TTD The Trade Desk, Inc. +2.55%
AJG Arthur J. Gallagher & Co. +2.45%
PSKY Paramount Skydance Corporation +2.12%
HUM Humana Inc. +2.07%
T AT&T Inc. +2.05%

Top losers · S&P 500

SMCI Super Micro Computer, Inc. -33.32%
VST Vistra Corp. -12.76%
CEG Constellation Energy Corporatio -10.90%
MOS Mosaic Company (The) -9.96%
NRG NRG Energy, Inc. -9.67%
LITE Lumentum Holdings Inc. -8.52%
SNDK Sandisk Corporation -8.08%
COHR Coherent Corp. -7.96%

By sector

Financials +0.14%
Energy +0.03%
Consumer Staples -0.82%
Healthcare -0.89%
Communication Services -1.36%
Materials -1.50%
Industrials -1.52%
Consumer Discretionary -1.63%
Technology -2.24%
Real Estate -3.16%
Utilities -4.08%

Open the interactive S&P 500 map ← 19 Mar 2026 23 Mar 2026 →All sessions

The same session elsewhere: NASDAQ Dow Jones TSX

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