Underfolio

Every trading day › 1977

The stock market on September 8, 1977

September 8, 1977, a Thursday. The S&P 500 fell 0.74% to close at 97.28. Of 4,644 US stocks that traded, 1,042 rose and 1,350 fell.

The S&P 500-0.74%closed at 97.28
How big a move#8,711of 24,799 trading days since 1928
$100 in the index since$7,920price only, to September 24, 2026
Stocks that rose1,042of 4,644; 1,350 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Broadway Stores Inc (BWY)+4.6%
UnumProvident (PVT..)+2.5%
Chubb (CB)+2.1%

Biggest falls among the 500 largest companies

Polaroid (PRDCQ)-3.6%
Mcdermott Intl Inc (MDRIQ)-3.6%
Zenith Electronics (ZE)-3.5%

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

‹ September 7, 1977 · Every September 8 · September 9, 1977 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.