S&P 500 close — Thursday, 18 June 2026

S&P 500 closed up 1.18%

S&P 500 treemap for Thursday, 18 June 2026: each company sized by market capitalisation and coloured by its move that day

S&P 500 movers — June 18, 2026

Of the 503 companies tracked in the S&P 500, 265 rose and 237 fell, with 1 unchanged. Technology led the day at +2.58%, while Energy lagged at -1.70%.

Top gainers · S&P 500

SNDK Sandisk Corporation +11.54%
GLW Corning Incorporated +11.13%
INTC Intel Corporation +10.64%
SMCI Super Micro Computer, Inc. +10.37%
KLAC KLA Corporation +8.73%
MU Micron Technology, Inc. +8.70%
MPWR Monolithic Power Systems, Inc. +7.97%
Q Qnity Electronics, Inc. +7.82%

Top losers · S&P 500

ACN Accenture plc -17.97%
CTSH Cognizant Technology Solutions -10.49%
KR Kroger Company (The) -8.43%
STLD Steel Dynamics, Inc. -7.49%
OMC Omnicom Group Inc. -6.50%
LHX L3Harris Technologies, Inc. -5.86%
NOC Northrop Grumman Corporation -5.21%
IBM International Business Machines -5.05%

By sector

Technology +2.58%
Consumer Discretionary +1.16%
Communication Services +0.94%
Industrials +0.73%
Utilities +0.68%
Real Estate -0.21%
Consumer Staples -0.25%
Materials -0.31%
Healthcare -0.84%
Financials -0.85%
Energy -1.70%

Open the interactive S&P 500 map ← 17 Jun 2026 22 Jun 2026 →All sessions

The same session elsewhere: NASDAQ Dow Jones TSX

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