Underfolio

Every trading day › 1984

The stock market on July 20, 1984

July 20, 1984, a Friday. The S&P 500 fell 0.55% to close at 149.55. Of 5,787 US stocks that traded, 1,082 rose and 2,004 fell.

The S&P 500-0.55%closed at 149.55
How big a move#11,681of 24,799 trading days since 1928
$100 in the index since$5,152price only, to September 24, 2026
Stocks that rose1,082of 5,787; 2,004 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Rhone-Poulenc Rorer (RPR)+5.7%
Traveleres Corp. (TIC)+4.3%
Sonat Inc. (SNT)+4.0%

Biggest falls among the 500 largest companies

Avco Corp-11.8%
Black & Decker (BDK)-9.8%
Revco D.S. (RXR)-7.4%

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

‹ July 19, 1984 · Every July 20 · July 23, 1984 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.