Underfolio

Every trading day › 1973

The stock market on October 9, 1973

October 9, 1973, a Tuesday. The S&P 500 fell 0.09% to close at 110.13. Of 4,996 US stocks that traded, 1,427 rose and 1,578 fell.

The S&P 500-0.09%closed at 110.13
How big a move#22,094of 24,799 trading days since 1928
$100 in the index since$6,995price only, to September 24, 2026
Stocks that rose1,427of 4,996; 1,578 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Rhone-Poulenc Rorer (RPR)+8.7%
Baker Hughes (BHI)+6.0%
Kaisertech Ltd+5.9%

Biggest falls among the 500 largest companies

Occidental Petroleum (OXY)-6.7%
Mgic Investment Corp (MGI)-6.6%
Litton Industries (LIT)-6.3%

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

‹ October 8, 1973 · Every October 9 · October 10, 1973 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.