Underfolio

Every trading day › 1987

The stock market on February 11, 1987

February 11, 1987, a Wednesday. The S&P 500 rose 0.90% to close at 277.54. Of 6,056 US stocks that traded, 2,499 rose and 1,445 fell.

The S&P 500+0.90%closed at 277.54
How big a move#6,954of 24,799 trading days since 1928
$100 in the index since$2,776price only, to September 24, 2026
Stocks that rose2,499of 6,056; 1,445 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Seagate Technology (SEG)+10.2%
Reebok International (RBK)+9.9%
Intel (INTC)+8.2%

Biggest falls among the 500 largest companies

ChevronTexaco (CHV)-2.7%
Norton Simon (NSI)-2.6%
Consolidated Edison (ED)-2.6%

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

‹ February 10, 1987 · Every February 11 · February 12, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.