The stock market on January 18, 1984
January 18, 1984, a Wednesday. The S&P 500 fell 0.17% to close at 167.55. Of 5,635 US stocks that traded, 1,663 rose and 1,692 fell.
The S&P 500-0.17%closed at 167.55
How big a move#19,980of 24,799 trading days since 1928
$100 in the index since$4,598price only, to September 24, 2026
Stocks that rose1,663of 5,635; 1,692 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| MCI Communications (MCIC.) | +7.7% |
| Premier Industrial Cp (PRE) | +5.5% |
| Warner Communications (WCI) | +5.4% |
Biggest falls among the 500 largest companies
| Signal Companies (SGN) | -6.1% |
| Intel (INTC) | -4.9% |
| BankBoston (BKB) | -4.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ January 17, 1984 · Every January 18 · January 19, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.