Underfolio

Every trading day › 1983

The stock market on May 23, 1983

May 23, 1983, a Monday. The S&P 500 rose 0.80% to close at 163.43. Of 5,124 US stocks that traded, 1,650 rose and 1,737 fell.

The S&P 500+0.80%closed at 163.43
How big a move#8,083of 24,799 trading days since 1928
$100 in the index since$4,714price only, to September 24, 2026
Stocks that rose1,650of 5,124; 1,737 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Natomas Co (NOM)+21.6%
L Brands (LTD)+14.6%
Noble Energy (NBL)+8.2%

Biggest falls among the 500 largest companies

Beverly Enterprises (BEV)-5.2%
Kroger (KR)-3.1%
Combustion Engineering (CSP)-2.8%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ May 20, 1983 · Every May 23 · May 24, 1983 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.