Underfolio

Every trading day › 1988

The stock market on September 22, 1988

September 22, 1988, a Thursday. The S&P 500 fell 0.36% to close at 269.18. Of 6,156 US stocks that traded, 1,546 rose and 2,070 fell.

The S&P 500-0.36%closed at 269.18
How big a move#15,149of 24,799 trading days since 1928
$100 in the index since$2,862price only, to September 24, 2026
Stocks that rose1,546of 6,156; 2,070 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Reebok International (RBK)+5.9%
MCI Communications (MCIC.)+4.7%
Mead (MEA)+3.8%

Biggest falls among the 500 largest companies

First Interstate Bancorp (I)-4.9%
Wells Fargo (WFC)-3.6%
Tribune (TRB)-3.6%

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

‹ September 21, 1988 · Every September 22 · September 23, 1988 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.