The stock market on April 6, 1984
April 6, 1984, a Friday. The S&P 500 rose 0.28% to close at 155.48. Of 5,727 US stocks that traded, 1,082 rose and 2,163 fell.
The S&P 500+0.28%closed at 155.48
How big a move#16,911of 24,799 trading days since 1928
$100 in the index since$4,955price only, to September 24, 2026
Stocks that rose1,082of 5,727; 2,163 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Petrolane Inc (PTO) | +7.1% |
| Hewlett-Packard (HWP) | +5.9% |
| Wang Labs Inc (WANG) | +4.5% |
Biggest falls among the 500 largest companies
| Engelhard (EC) | -5.2% |
| Interfirst Corp (IFC) | -5.0% |
| Intergraph Corp (INGR.) | -4.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ April 5, 1984 · Every April 6 · April 9, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.