Underfolio

Every trading day › 1970

The stock market on May 28, 1970

May 28, 1970, a Thursday. The S&P 500 rose 2.53% to close at 74.61. Of 2,255 US stocks that traded, 1,723 rose and 311 fell.

The S&P 500+2.53%closed at 74.61
How big a move#1,009of 24,799 trading days since 1928
$100 in the index since$10,326price only, to September 24, 2026
Stocks that rose1,723of 2,255; 311 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Brunswick (BC)+11.4%
Carrier (CRR)+11.3%
Hobart (HOB)+10.8%

Biggest falls among the 500 largest companies

Dart Industries (D)-8.5%
Varity Corp (VAT)-6.6%

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

‹ May 27, 1970 · Every May 28 · May 29, 1970 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.