Underfolio

Every trading day › 1977

The stock market on April 4, 1977

April 4, 1977, a Monday. The S&P 500 fell 0.99% to close at 98.23. Of 4,676 US stocks that traded, 732 rose and 1,685 fell.

The S&P 500-0.99%closed at 98.23
How big a move#6,148of 24,799 trading days since 1928
$100 in the index since$7,843price only, to September 24, 2026
Stocks that rose732of 4,676; 1,685 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Niagara Mohawk Power (NMK)+3.4%
American International Group, Inc. (AIG)+3.2%
NiSource (NI)+2.8%

Biggest falls among the 500 largest companies

RadioShack (TAN)-8.6%
Anheuser-Busch (BUD)-5.1%
Digital Equipment (DEC)-4.7%

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

‹ April 1, 1977 · Every April 4 · April 5, 1977 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.