Underfolio

Every trading day › 1969

The stock market on August 21, 1969

August 21, 1969, a Thursday. The S&P 500 rose 0.29% to close at 95.35. Of 2,170 US stocks that traded, 917 rose and 848 fell.

The S&P 500+0.29%closed at 95.35
How big a move#16,658of 24,799 trading days since 1928
$100 in the index since$8,080price only, to September 24, 2026
Stocks that rose917of 2,170; 848 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Purex Industries (PRX)+7.3%
Fairchild Camera & Instr (FCI)+5.4%

Biggest falls among the 500 largest companies

Dillingham Corp (DHM)-5.0%
Eastern Enterprises (EFU)-3.8%

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

‹ August 20, 1969 · Every August 21 · August 22, 1969 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.