The stock market on September 21, 1983
September 21, 1983, a Wednesday. The S&P 500 fell 0.49% to close at 168.41. Of 5,364 US stocks that traded, 1,465 rose and 1,832 fell.
The S&P 500-0.49%closed at 168.41
How big a move#12,616of 24,799 trading days since 1928
$100 in the index since$4,575price only, to September 24, 2026
Stocks that rose1,465of 5,364; 1,832 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Petrolane Inc (PTO) | +15.4% |
| Storage Technology (STK) | +5.8% |
| Tandem Computers Inc (TDM.) | +5.5% |
Biggest falls among the 500 largest companies
| Avon Products (AVP) | -9.6% |
| Toys R Us (TOY) | -5.8% |
| Campbell Red Lake Mines (CRK) | -4.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 20, 1983 · Every September 21 · September 22, 1983 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.