The stock market on October 16, 1984
October 16, 1984, a Tuesday. The S&P 500 fell 0.60% to close at 164.78. Of 5,756 US stocks that traded, 1,450 rose and 1,746 fell.
The S&P 500-0.60%closed at 164.78
How big a move#10,770of 24,799 trading days since 1928
$100 in the index since$4,675price only, to September 24, 2026
Stocks that rose1,450of 5,756; 1,746 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for5stocks
Biggest rises among the 500 largest companies
| Martin Marietta (ML) | +9.3% |
| E-systems Inc. (ESY) | +4.9% |
| Price Co (PCLB) | +4.8% |
Biggest falls among the 500 largest companies
| DSC Communications (DIGI) | -6.4% |
| Ocean Drilling & Exploration (ODR) | -5.4% |
| GenCorp (GY) | -5.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 15, 1984 · Every October 16 · October 17, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.