Underfolio

Every trading day › 1969

The stock market on April 21, 1969

April 21, 1969, a Monday. The S&P 500 fell 0.67% to close at 100.56. Of 2,125 US stocks that traded, 488 rose and 1,354 fell.

The S&P 500-0.67%closed at 100.56
How big a move#9,675of 24,799 trading days since 1928
$100 in the index since$7,661price only, to September 24, 2026
Stocks that rose488of 2,125; 1,354 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Amax Inc. (AMX)+4.3%
New York Times (NYT)+3.6%
Times Mirror Co -ser A (TMC)+3.5%

Biggest falls among the 500 largest companies

Acf Industries Inc-11.5%
Del Monte (DEL)-8.0%
Northwest Airlines (NWA)-6.5%

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

‹ April 18, 1969 · Every April 21 · April 22, 1969 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.