The stock market on May 11, 1984
May 11, 1984, a Friday. The S&P 500 fell 0.94% to close at 158.49. Of 5,742 US stocks that traded, 904 rose and 2,356 fell.
The S&P 500-0.94%closed at 158.49
How big a move#6,548of 24,799 trading days since 1928
$100 in the index since$4,861price only, to September 24, 2026
Stocks that rose904of 5,742; 2,356 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Financial Corp Of America | +7.1% |
| Supervalu (SVU) | +4.7% |
| CMS Energy (CMS) | +3.3% |
Biggest falls among the 500 largest companies
| Pe Corp-Pe Biosy (PEB) | -6.0% |
| Champion International (CHA) | -5.7% |
| Apollo Computer Inc (APCI.) | -5.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 10, 1984 · Every May 11 · May 14, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.