Underfolio

Every trading day › 1971

The stock market on April 5, 1971

April 5, 1971, a Monday. The S&P 500 rose 0.23% to close at 100.79. Of 2,304 US stocks that traded, 911 rose and 981 fell.

The S&P 500+0.23%closed at 100.79
How big a move#18,280of 24,799 trading days since 1928
$100 in the index since$7,644price only, to September 24, 2026
Stocks that rose911of 2,304; 981 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Natomas Co (NOM)+12.1%
Texasgulf (TG)+11.1%

Biggest falls among the 500 largest companies

Memorex Corp (MRX)-13.9%
Polaroid (PRDCQ)-6.0%
Aquitaine Co Canada Ltd (AQC)-5.2%

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

‹ April 2, 1971 · Every April 5 · April 6, 1971 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.