Underfolio

Every trading day › 1989

The stock market on April 18, 1989

April 18, 1989, a Tuesday. The S&P 500 rose 1.43% to close at 306.02. Of 5,995 US stocks that traded, 2,205 rose and 1,436 fell.

The S&P 500+1.43%closed at 306.02
How big a move#3,411of 24,799 trading days since 1928
$100 in the index since$2,518price only, to September 24, 2026
Stocks that rose2,205of 5,995; 1,436 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Northwest Airlines (NWA)+7.9%
MCI Communications (MCIC.)+6.2%
Brunswick (BC)+4.6%

Biggest falls among the 500 largest companies

Sun Microsystems (SUNW)-4.1%
Williams (A.L.) Corp (ALW)-3.7%
Eex Corp (EEX)-3.4%

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

‹ April 17, 1989 · Every April 18 · April 19, 1989 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.