Underfolio

Every trading day › 1979

The stock market on October 8, 1979

October 8, 1979, a Monday. The S&P 500 fell 1.25% to close at 109.88. Of 4,506 US stocks that traded, 623 rose and 2,036 fell.

The S&P 500-1.25%closed at 109.88
How big a move#4,279of 24,799 trading days since 1928
$100 in the index since$7,011price only, to September 24, 2026
Stocks that rose623of 4,506; 2,036 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

American National Insurance Company (ANAT)+5.6%
Southland Royalty Co (SRO)+4.3%
Parker-Hannifin (PH)+4.0%

Biggest falls among the 500 largest companies

Caesars World (CAW)-7.7%
Bally's Park Place Inc-7.6%
Gulf United Corp (GHC)-6.8%

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

‹ October 5, 1979 · Every October 8 · October 9, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.