Underfolio

Every trading day › 1983

The stock market on October 10, 1983

October 10, 1983, a Monday. The S&P 500 rose 1.08% to close at 172.65. Of 5,418 US stocks that traded, 1,659 rose and 1,529 fell.

The S&P 500+1.08%closed at 172.65
How big a move#5,365of 24,799 trading days since 1928
$100 in the index since$4,462price only, to September 24, 2026
Stocks that rose1,659of 5,418; 1,529 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Lifemark Corp-Old (LMK)+22.1%
American Motors (AMO)+10.6%
Amerada Hess (AHC)+7.5%

Biggest falls among the 500 largest companies

Interfirst Corp (IFC)-7.6%
Sprint Nextel (FON)-4.0%
Fluor (FLR)-3.8%

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

‹ October 7, 1983 · Every October 10 · October 11, 1983 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.