Underfolio

Every trading day › 1987

The stock market on February 18, 1987

February 18, 1987, a Wednesday. The S&P 500 fell 0.02% to close at 285.42. Of 6,075 US stocks that traded, 1,962 rose and 2,071 fell.

The S&P 500-0.02%closed at 285.42
How big a move#23,972of 24,799 trading days since 1928
$100 in the index since$2,699price only, to September 24, 2026
Stocks that rose1,962of 6,075; 2,071 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

U.S. Bancorp (USB)+12.9%
Owens Corning (OWC)+10.1%
Gillette (G)+6.1%

Biggest falls among the 500 largest companies

Microsoft (MSFT)-6.2%
Louisiana-Pacific (LPX)-5.5%
Home Shopping Network-5.0%

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

‹ February 17, 1987 · Every February 18 · February 19, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.