The stock market on April 9, 1984
April 9, 1984, a Monday. The S&P 500 fell 0.02% to close at 155.45. Of 5,721 US stocks that traded, 1,208 rose and 2,009 fell.
The S&P 500-0.02%closed at 155.45
How big a move#24,118of 24,799 trading days since 1928
$100 in the index since$4,956price only, to September 24, 2026
Stocks that rose1,208of 5,721; 2,009 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Sanders Associates Inc (SAA) | +7.0% |
| Chrysler Corp (C) | +6.7% |
| Goodrich (GR) | +5.3% |
Biggest falls among the 500 largest companies
| Tandem Computers Inc (TDM.) | -22.7% |
| ConAgra Foods (CAG) | -4.7% |
| Mitchell Energy & Devel. (MND) | -4.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ April 6, 1984 · Every April 9 · April 10, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.