Underfolio

Every trading day › 1983

The stock market on July 12, 1983

July 12, 1983, a Tuesday. The S&P 500 fell 1.53% to close at 165.53. Of 5,216 US stocks that traded, 821 rose and 2,781 fell.

The S&P 500-1.53%closed at 165.53
How big a move#2,948of 24,799 trading days since 1928
$100 in the index since$4,654price only, to September 24, 2026
Stocks that rose821of 5,216; 2,781 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Nordstrom (JWN)+3.7%
Macfrugals Bargains (MFI)+3.2%
Humana (HUM)+2.8%

Biggest falls among the 500 largest companies

Varian Medical Systems (VAR)-6.3%
Salomon-5.9%
Sunoco (SUN)-5.5%

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

‹ July 11, 1983 · Every July 12 · July 13, 1983 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.