Underfolio

Every trading day › 1988

The stock market on January 27, 1988

January 27, 1988, a Wednesday. The S&P 500 fell 0.08% to close at 249.38. Of 6,300 US stocks that traded, 2,010 rose and 1,802 fell.

The S&P 500-0.08%closed at 249.38
How big a move#22,589of 24,799 trading days since 1928
$100 in the index since$3,089price only, to September 24, 2026
Stocks that rose2,010of 6,300; 1,802 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

American Standard (TT)+54.9%
Stop & Shop (SHP)+8.1%
Monsanto (MTC)+6.0%

Biggest falls among the 500 largest companies

KeySpan (KSE)-5.3%
Squibb Corp. (SQB)-4.9%
Maytag (MYG)-4.7%

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

‹ January 26, 1988 · Every January 27 · January 28, 1988 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.