Underfolio

Every trading day › 1971

The stock market on September 27, 1971

September 27, 1971, a Monday. The S&P 500 fell 0.54% to close at 97.62. Of 2,356 US stocks that traded, 556 rose and 1,310 fell.

The S&P 500-0.54%closed at 97.62
How big a move#11,760of 24,799 trading days since 1928
$100 in the index since$7,892price only, to September 24, 2026
Stocks that rose556of 2,356; 1,310 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Carrier (CRR)+3.6%
Texas Eastern Corp+3.1%
Blair Corp (BL)+3.1%

Biggest falls among the 500 largest companies

Ncr Corp. (NCR)-5.4%
Pacific Petroleums Ltd (PP)-4.5%
Conoco (CLL)-3.7%

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

‹ September 24, 1971 · Every September 27 · September 28, 1971 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.