Underfolio

Every trading day › 1971

The stock market on October 6, 1971

October 6, 1971, a Wednesday. The S&P 500 rose 0.72% to close at 99.82. Of 2,363 US stocks that traded, 1,254 rose and 660 fell.

The S&P 500+0.72%closed at 99.82
How big a move#9,064of 24,799 trading days since 1928
$100 in the index since$7,718price only, to September 24, 2026
Stocks that rose1,254of 2,363; 660 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Boeing (BA)+10.2%
Fleetwood Enterprises (FLTWQ)+9.2%
Winnebago Industries, Inc. (WGO)+8.7%

Biggest falls among the 500 largest companies

Eckerd (ECK)-6.3%
Entergy Gulf States La LLC-3.4%
Brunswick (BC)-3.0%

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

‹ October 5, 1971 · Every October 6 · October 7, 1971 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.