Underfolio

Every trading day › 1980

The stock market on October 14, 1980

October 14, 1980, a Tuesday. The S&P 500 fell 0.01% to close at 132.02. Of 4,610 US stocks that traded, 1,577 rose and 1,356 fell.

The S&P 500-0.01%closed at 132.02
How big a move#24,375of 24,799 trading days since 1928
$100 in the index since$5,836price only, to September 24, 2026
Stocks that rose1,577of 4,610; 1,356 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Crown Zellerbach+8.2%
Koppers (KOP)+6.5%
Chemfirst Inc (CEM)+6.4%

Biggest falls among the 500 largest companies

Parker Drilling Co (PKDC)-5.9%
Occidental Petroleum (OXY)-5.6%
Tom Brown Inc (TMBR)-4.8%

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

‹ October 13, 1980 · Every October 14 · October 15, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.