The stock market on August 12, 1975
August 12, 1975, a Tuesday. The S&P 500 rose 0.66% to close at 87.12. Of 4,632 US stocks that traded, 1,540 rose and 812 fell.
The S&P 500+0.66%closed at 87.12
How big a move#9,858of 24,799 trading days since 1928
$100 in the index since$8,843price only, to September 24, 2026
Stocks that rose1,540of 4,632; 812 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Nlt Corp (NLT) | +7.6% |
| Boeing (BA) | +6.8% |
| Howard Johnson (HJ) | +6.7% |
Biggest falls among the 500 largest companies
| Pittston Brinks (PZB) | -3.9% |
| Knight Ridder (KRI) | -3.7% |
| Ecolab (ECL) | -3.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 11, 1975 · Every August 12 · August 13, 1975 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.