The stock market on April 11, 1984
April 11, 1984, a Wednesday. The S&P 500 fell 0.56% to close at 155.00. Of 5,726 US stocks that traded, 1,174 rose and 1,979 fell.
The S&P 500-0.56%closed at 155.00
How big a move#11,443of 24,799 trading days since 1928
$100 in the index since$4,970price only, to September 24, 2026
Stocks that rose1,174of 5,726; 1,979 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Pe Corp-Pe Biosy (PEB) | +5.6% |
| Revlon Inc -old | +4.1% |
| Pioneer Corp-Texas (PNA) | +4.1% |
Biggest falls among the 500 largest companies
| Tandem Computers Inc (TDM.) | -11.7% |
| Paccar (PCAR) | -8.4% |
| Caterpillar (CAT) | -8.2% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ April 10, 1984 · Every April 11 · April 12, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.