Underfolio

Every trading day › 1979

The stock market on May 4, 1979

May 4, 1979, a Friday. The S&P 500 fell 1.10% to close at 100.69. Of 4,517 US stocks that traded, 726 rose and 1,800 fell.

The S&P 500-1.10%closed at 100.69
How big a move#5,235of 24,799 trading days since 1928
$100 in the index since$7,651price only, to September 24, 2026
Stocks that rose726of 4,517; 1,800 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Noble Energy (NBL)+4.7%
Iu International Corp (IU)+3.7%
Cameron Iron Works (CIW)+3.0%

Biggest falls among the 500 largest companies

Storage Technology (STK)-8.3%
Holiday Corp. (HIA)-6.6%
Chrysler Corp (C)-6.5%

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

‹ May 3, 1979 · Every May 4 · May 7, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.