Underfolio

Every trading day › 1983

The stock market on May 18, 1983

May 18, 1983, a Wednesday. The S&P 500 fell 0.27% to close at 163.27. Of 5,126 US stocks that traded, 2,152 rose and 1,266 fell.

The S&P 500-0.27%closed at 163.27
How big a move#17,238of 24,799 trading days since 1928
$100 in the index since$4,719price only, to September 24, 2026
Stocks that rose2,152of 5,126; 1,266 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Oec Medical Systems Inc (OXE)+10.3%
Nordstrom (JWN)+7.5%
Intecom Inc (INCM.)+6.7%

Biggest falls among the 500 largest companies

Dome Mines (DM)-4.7%
Pennzoil (PZE)-4.0%
Transamerica (TA)-3.7%

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

‹ May 17, 1983 · Every May 18 · May 19, 1983 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.