Underfolio

Every trading day › 1983

The stock market on May 9, 1983

May 9, 1983, a Monday. The S&P 500 fell 0.17% to close at 165.81. Of 5,109 US stocks that traded, 1,828 rose and 1,525 fell.

The S&P 500-0.17%closed at 165.81
How big a move#19,743of 24,799 trading days since 1928
$100 in the index since$4,646price only, to September 24, 2026
Stocks that rose1,828of 5,109; 1,525 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Gulfstream Aerospace Corp (GA)+8.4%
Metromedia (MET)+7.2%
Ltv Corp (LTVCQ)+5.7%

Biggest falls among the 500 largest companies

Transco Energy (E)-6.7%
Apollo Computer Inc (APCI.)-5.1%
Murphy Oil Corporation (MUR)-4.2%

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

‹ May 6, 1983 · Every May 9 · May 10, 1983 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.