Underfolio

Every trading day › 1973

The stock market on August 9, 1973

August 9, 1973, a Thursday. The S&P 500 rose 0.06% to close at 105.61. Of 5,026 US stocks that traded, 1,238 rose and 1,513 fell.

The S&P 500+0.06%closed at 105.61
How big a move#23,173of 24,799 trading days since 1928
$100 in the index since$7,295price only, to September 24, 2026
Stocks that rose1,238of 5,026; 1,513 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Signal Companies (SGN)+6.9%
Varity Corp (VAT)+5.7%
Pacific Petroleums Ltd (PP)+5.3%

Biggest falls among the 500 largest companies

Data General Corp (DGN.)-5.8%
Saic (SAI)-5.1%
Hoover Co (HOOV.)-5.1%

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

‹ August 8, 1973 · Every August 9 · August 10, 1973 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.