Underfolio

Every trading day › 1987

The stock market on March 11, 1987

March 11, 1987, a Wednesday. The S&P 500 fell 0.19% to close at 290.31. Of 6,093 US stocks that traded, 2,125 rose and 1,834 fell.

The S&P 500-0.19%closed at 290.31
How big a move#19,342of 24,799 trading days since 1928
$100 in the index since$2,654price only, to September 24, 2026
Stocks that rose2,125of 6,093; 1,834 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Loral (LOR)+6.5%
Amax Inc. (AMX)+5.6%
Himont Inc (HMT)+5.2%

Biggest falls among the 500 largest companies

Home Shopping Network-19.1%
Continental Airlines-5.4%
Baker Hughes (BHI)-3.7%

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

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

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.