Underfolio

Every trading day › 1983

The stock market on August 31, 1983

August 31, 1983, a Wednesday. The S&P 500 rose 1.12% to close at 164.40. Of 5,335 US stocks that traded, 1,984 rose and 1,246 fell.

The S&P 500+1.12%closed at 164.40
How big a move#5,073of 24,799 trading days since 1928
$100 in the index since$4,686price only, to September 24, 2026
Stocks that rose1,984of 5,335; 1,246 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Apple (AAPL)+13.3%
Transitional Hospitals Cp (THY)+12.1%
Televideo Inc (TELVQ)+11.3%

Biggest falls among the 500 largest companies

Metromedia (MET)-4.4%
TJX Companies, Inc. (The) (TJX)-4.1%
Mercantile Stores (MST.)-3.7%

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

‹ August 30, 1983 · Every August 31 · September 1, 1983 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.