Underfolio

Every trading day › 1973

The stock market on August 20, 1973

August 20, 1973, a Monday. The S&P 500 fell 0.68% to close at 101.61. Of 5,014 US stocks that traded, 854 rose and 1,917 fell.

The S&P 500-0.68%closed at 101.61
How big a move#9,498of 24,799 trading days since 1928
$100 in the index since$7,582price only, to September 24, 2026
Stocks that rose854of 5,014; 1,917 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

7-Eleven Inc (SE)+3.2%
Champion International (CHA)+3.1%
KeySpan (KSE)+2.8%

Biggest falls among the 500 largest companies

General Re (GRN)-7.5%
Bally Entertainment (BLY)-6.6%

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

‹ August 17, 1973 · Every August 20 · August 21, 1973 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.