Underfolio

Every trading day › 1987

The stock market on July 29, 1987

July 29, 1987, a Wednesday. The S&P 500 rose 1.06% to close at 315.65. Of 6,291 US stocks that traded, 2,249 rose and 1,740 fell.

The S&P 500+1.06%closed at 315.65
How big a move#5,522of 24,799 trading days since 1928
$100 in the index since$2,441price only, to September 24, 2026
Stocks that rose2,249of 6,291; 1,740 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Utah Power & Light (UTP)+10.2%
Gerber Products (GEB)+9.8%
FMC Corporation (FMC)+7.4%

Biggest falls among the 500 largest companies

Seagate Technology (SEG)-2.3%
Union Carbide-2.2%
Salomon-2.2%

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

‹ July 28, 1987 · Every July 29 · July 30, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.