Underfolio

Every trading day › 1978

The stock market on August 25, 1978

August 25, 1978, a Friday. The S&P 500 fell 0.17% to close at 104.90. Of 4,538 US stocks that traded, 1,488 rose and 1,170 fell.

The S&P 500-0.17%closed at 104.90
How big a move#19,838of 24,799 trading days since 1928
$100 in the index since$7,344price only, to September 24, 2026
Stocks that rose1,488of 4,538; 1,170 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Bally Entertainment (BLY)+9.3%
American Homes 4 Rent (AMH)+8.0%
Amax Inc. (AMX)+4.9%

Biggest falls among the 500 largest companies

Canadian Superior Oil (CDS)-5.7%
Auto Data Proc (AUD)-5.0%
Burns Intl Services Corp (BOR)-4.4%

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

‹ August 24, 1978 · Every August 25 · August 28, 1978 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.