Underfolio

Every trading day › 1980

The stock market on October 13, 1980

October 13, 1980, a Monday. The S&P 500 rose 1.34% to close at 132.03. Of 4,607 US stocks that traded, 1,809 rose and 1,097 fell.

The S&P 500+1.34%closed at 132.03
How big a move#3,849of 24,799 trading days since 1928
$100 in the index since$5,835price only, to September 24, 2026
Stocks that rose1,809of 4,607; 1,097 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Sunoco (SUN)+8.4%
Valero Energy (VLO)+7.2%
Bally Entertainment (BLY)+7.1%

Biggest falls among the 500 largest companies

Signal Companies (SGN)-3.9%
Manville (JM)-3.6%
Petrolane Inc (PTO)-3.3%

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

‹ October 10, 1980 · Every October 13 · October 14, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.