Underfolio

Every trading day › 1983

The stock market on April 18, 1983

April 18, 1983, a Monday. The S&P 500 rose 0.62% to close at 159.74. Of 5,094 US stocks that traded, 1,986 rose and 1,367 fell.

The S&P 500+0.62%closed at 159.74
How big a move#10,381of 24,799 trading days since 1928
$100 in the index since$4,823price only, to September 24, 2026
Stocks that rose1,986of 5,094; 1,367 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Ltv Corp (LTVCQ)+9.4%
Transamerica (TA)+8.2%
Fleetwood Enterprises (FLTWQ)+7.4%

Biggest falls among the 500 largest companies

Sundstrand Corp (SNS)-5.6%
Engelhard (EC)-5.3%
American Financial Group, Inc. (AFG)-4.2%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ April 15, 1983 · Every April 18 · April 19, 1983 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.