Underfolio

Every trading day › 1977

The stock market on August 15, 1977

August 15, 1977, a Monday. The S&P 500 rose 0.31% to close at 98.18. Of 4,653 US stocks that traded, 1,068 rose and 1,241 fell.

The S&P 500+0.31%closed at 98.18
How big a move#16,391of 24,799 trading days since 1928
$100 in the index since$7,847price only, to September 24, 2026
Stocks that rose1,068of 4,653; 1,241 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

National Semiconductor (NSM)+6.2%
Digital Equipment (DEC)+5.6%
Eastman Kodak (EK)+4.7%

Biggest falls among the 500 largest companies

Carnation (CMK)-7.0%
General Dynamics (GD)-4.5%
Associated Dry Goods Corp (DG)-3.6%

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

‹ August 12, 1977 · Every August 15 · August 16, 1977 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.