Underfolio

Every trading day › 1979

The stock market on October 11, 1979

October 11, 1979, a Thursday. The S&P 500 fell 0.24% to close at 105.05. Of 4,503 US stocks that traded, 1,648 rose and 1,183 fell.

The S&P 500-0.24%closed at 105.05
How big a move#18,044of 24,799 trading days since 1928
$100 in the index since$7,334price only, to September 24, 2026
Stocks that rose1,648of 4,503; 1,183 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Occidental Petroleum (OXY)+7.4%
Progress Energy (CPL)+6.9%
Supervalu (SVU)+5.7%

Biggest falls among the 500 largest companies

Emhart Corp (EMH)-10.9%
Ncr Corp. (NCR)-7.6%
Spelling Entertnmt Grp Inc (SP)-5.8%

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

‹ October 10, 1979 · Every October 11 · October 12, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.