Underfolio

Every trading day › 1991

The stock market on January 16, 1991

January 16, 1991, a Wednesday. The S&P 500 rose 0.78% to close at 316.17. Of 5,724 US stocks that traded, 2,041 rose and 1,304 fell.

The S&P 500+0.78%closed at 316.17
How big a move#8,280of 24,799 trading days since 1928
$100 in the index since$2,437price only, to September 24, 2026
Stocks that rose2,041of 5,724; 1,304 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Digital Equipment (DEC)+12.6%
Laboratory Corp. of America (LH)+12.3%
Novell (NOVL)+8.3%

Biggest falls among the 500 largest companies

CoreStates Financial Corp. (CFL)-10.7%
Archer Daniels Midland (ADM)-6.6%
Consolidated Natural Gas-5.6%

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

‹ January 15, 1991 · Every January 16 · January 17, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.