Underfolio

Every trading day › 1973

The stock market on October 18, 1973

October 18, 1973, a Thursday. The S&P 500 rose 0.04% to close at 110.01. Of 5,002 US stocks that traded, 1,256 rose and 1,611 fell.

The S&P 500+0.04%closed at 110.01
How big a move#23,680of 24,799 trading days since 1928
$100 in the index since$7,003price only, to September 24, 2026
Stocks that rose1,256of 5,002; 1,611 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Conoco (CLL)+7.7%
Bausch & Lomb (BOL)+6.6%
Union Carbide+5.7%

Biggest falls among the 500 largest companies

USLIFE Corporation (USH)-9.0%
Transamerica (TA)-6.8%
Dart Industries (D)-6.6%

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

‹ October 17, 1973 · Every October 18 · October 19, 1973 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.