Underfolio

Every trading day › 1983

The stock market on October 26, 1983

October 26, 1983, a Wednesday. The S&P 500 fell 0.65% to close at 165.38. Of 5,451 US stocks that traded, 1,338 rose and 1,931 fell.

The S&P 500-0.65%closed at 165.38
How big a move#9,906of 24,799 trading days since 1928
$100 in the index since$4,658price only, to September 24, 2026
Stocks that rose1,338of 5,451; 1,931 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Data General Corp (DGN.)+6.5%
Levi Strauss (LEVI)+5.1%
Walgreens Boots Alliance (WAG)+4.3%

Biggest falls among the 500 largest companies

Dome Petroleum Ltd (DMP)-12.1%
Norton Co (NRT)-11.2%
Asarco Inc (AR)-7.6%

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

‹ October 25, 1983 · Every October 26 · October 27, 1983 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.