The stock market on October 15, 1984
October 15, 1984, a Monday. The S&P 500 rose 0.97% to close at 165.77. Of 5,756 US stocks that traded, 1,894 rose and 1,317 fell.
The S&P 500+0.97%closed at 165.77
How big a move#6,308of 24,799 trading days since 1928
$100 in the index since$4,647price only, to September 24, 2026
Stocks that rose1,894of 5,756; 1,317 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Walgreens Boots Alliance (WAG) | +6.9% |
| Tandem Computers Inc (TDM.) | +6.7% |
| Alcoa (AA) | +6.1% |
Biggest falls among the 500 largest companies
| Archer Daniels Midland (ADM) | -3.6% |
| Ashland (ASH) | -3.5% |
| Wells Fargo (WFC) | -2.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 12, 1984 · Every October 15 · October 16, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.