Underfolio

Every trading day › 1975

The stock market on August 11, 1975

August 11, 1975, a Monday. The S&P 500 rose 0.62% to close at 86.55. Of 4,630 US stocks that traded, 984 rose and 1,420 fell.

The S&P 500+0.62%closed at 86.55
How big a move#10,488of 24,799 trading days since 1928
$100 in the index since$8,901price only, to September 24, 2026
Stocks that rose984of 4,630; 1,420 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Pacific Lumber Co+6.1%
NiSource (NI)+5.3%

Biggest falls among the 500 largest companies

Boeing (BA)-5.5%
Trans Union Corp (TU)-5.4%
Homestake Mining (HM)-5.2%

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

‹ August 8, 1975 · Every August 11 · August 12, 1975 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.