Underfolio

Every trading day › 1978

The stock market on January 17, 1978

January 17, 1978, a Tuesday. The S&P 500 rose 0.50% to close at 89.88. Of 4,594 US stocks that traded, 1,585 rose and 794 fell.

The S&P 500+0.50%closed at 89.88
How big a move#12,392of 24,799 trading days since 1928
$100 in the index since$8,572price only, to September 24, 2026
Stocks that rose1,585of 4,594; 794 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

American Homes 4 Rent (AMH)+6.7%
Occidental Petroleum (OXY)+5.6%
Schlitz (jos.) Brewing Co (SLZ.)+4.7%

Biggest falls among the 500 largest companies

Joy Technologies Inc -cl A (JOY)-5.1%
Mayer (oscar) & Co (OMC.)-4.7%
Marathon Oil Corporation (MRO)-3.5%

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

‹ January 16, 1978 · Every January 17 · January 18, 1978 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.