The stock market on September 28, 1984
September 28, 1984, a Friday. The S&P 500 fell 0.52% to close at 166.10. Of 5,767 US stocks that traded, 1,439 rose and 1,701 fell.
The S&P 500-0.52%closed at 166.10
How big a move#12,208of 24,799 trading days since 1928
$100 in the index since$4,638price only, to September 24, 2026
Stocks that rose1,439of 5,767; 1,701 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for5stocks
Biggest rises among the 500 largest companies
| AbitibiBowater (BOW) | +6.9% |
| Searle G D & (SRL) | +6.7% |
| Great Atlantic & Pacific Tea (GAPTQ) | +3.8% |
Biggest falls among the 500 largest companies
| Merrill Lynch (MER) | -5.6% |
| Hutton (E.F.) Group (EFH) | -5.5% |
| M/a-com (MAI) | -4.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 27, 1984 · Every September 28 · October 1, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.