Underfolio

Every trading day › 1978

The stock market on August 1, 1978

August 1, 1978, a Tuesday. The S&P 500 fell 0.02% to close at 100.66. Of 4,540 US stocks that traded, 1,382 rose and 1,188 fell.

The S&P 500-0.02%closed at 100.66
How big a move#24,094of 24,799 trading days since 1928
$100 in the index since$7,654price only, to September 24, 2026
Stocks that rose1,382of 4,540; 1,188 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Hilton Worldwide Holdings (HLT)+10.1%
Willamette Industries (WLL)+9.5%
Edison Brothers Stores (EDBR.)+7.4%

Biggest falls among the 500 largest companies

Mesa Inc (MXP.)-3.9%
Mead (MEA)-3.6%
Pullman (PU)-3.5%

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

‹ July 31, 1978 · Every August 1 · August 2, 1978 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.