Underfolio

Every trading day › 1975

The stock market on May 6, 1975

May 6, 1975, a Tuesday. The S&P 500 fell 1.60% to close at 88.64. Of 4,613 US stocks that traded, 993 rose and 1,638 fell.

The S&P 500-1.60%closed at 88.64
How big a move#2,698of 24,799 trading days since 1928
$100 in the index since$8,691price only, to September 24, 2026
Stocks that rose993of 4,613; 1,638 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Technicon Corp (TCN)+5.9%
Hudson's Bay Oil & Gas Co (HBO)+5.8%
Tektronix (TEK)+5.5%

Biggest falls among the 500 largest companies

Motorola Solutions (MOT)-10.7%
Smith International (SII)-9.2%
W.W. Grainger (GWW)-8.1%

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

‹ May 5, 1975 · Every May 6 · May 7, 1975 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.