Underfolio

Every trading day › 1969

The stock market on September 17, 1969

September 17, 1969, a Wednesday. The S&P 500 fell 0.20% to close at 94.76. Of 2,181 US stocks that traded, 816 rose and 1,037 fell.

The S&P 500-0.20%closed at 94.76
How big a move#19,052of 24,799 trading days since 1928
$100 in the index since$8,130price only, to September 24, 2026
Stocks that rose816of 2,181; 1,037 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Cordant Technologies Inc (CDD)+6.7%
Target (TGT)+5.8%
Hanna (M A) Co (MAH)+5.8%

Biggest falls among the 500 largest companies

BP p.l.c. (BP)-9.7%
Aquitaine Co Canada Ltd (AQC)-9.1%
Natomas Co (NOM)-6.9%

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

‹ September 16, 1969 · Every September 17 · September 18, 1969 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.