Underfolio

Every trading day › 1988

The stock market on August 26, 1988

August 26, 1988, a Friday. The S&P 500 rose 0.19% to close at 259.68. Of 6,176 US stocks that traded, 1,838 rose and 1,564 fell.

The S&P 500+0.19%closed at 259.68
How big a move#19,245of 24,799 trading days since 1928
$100 in the index since$2,967price only, to September 24, 2026
Stocks that rose1,838of 6,176; 1,564 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Primerica, Inc. (PRI)+8.6%
Oracle (ORCL)+5.4%
Beneficial (BNL)+4.7%

Biggest falls among the 500 largest companies

Armstrong Holdings (ACK)-4.0%
Intel (INTC)-3.0%
Supervalu (SVU)-2.6%

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

‹ August 25, 1988 · Every August 26 · August 29, 1988 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.