Underfolio

Every trading day › 1987

The stock market on July 30, 1987

July 30, 1987, a Thursday. The S&P 500 rose 0.76% to close at 318.05. Of 6,292 US stocks that traded, 2,325 rose and 1,723 fell.

The S&P 500+0.76%closed at 318.05
How big a move#8,502of 24,799 trading days since 1928
$100 in the index since$2,422price only, to September 24, 2026
Stocks that rose2,325of 6,292; 1,723 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Raychem Corp (RYC.)+9.4%
Baxter International (BAX)+7.1%
Mead (MEA)+7.0%

Biggest falls among the 500 largest companies

Tandem Computers Inc (TDM.)-3.0%
Rubbermaid Incorporated (RBD)-2.8%
Ethyl (NEU)-2.7%

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

‹ July 29, 1987 · Every July 30 · July 31, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.