Underfolio

Every trading day › 1978

The stock market on October 11, 1978

October 11, 1978, a Wednesday. The S&P 500 rose 0.89% to close at 105.39. Of 4,548 US stocks that traded, 1,374 rose and 1,009 fell.

The S&P 500+0.89%closed at 105.39
How big a move#7,011of 24,799 trading days since 1928
$100 in the index since$7,310price only, to September 24, 2026
Stocks that rose1,374of 4,548; 1,009 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Olinkraft Inc (OKF)+7.6%
Ncr Corp. (NCR)+6.9%
Lockheed Martin (LMT)+6.5%

Biggest falls among the 500 largest companies

Gardner Denver (GDC)-4.4%
Be Holdings Inc -cl A-3.6%
Usg Corp. (USG)-3.1%

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

‹ October 10, 1978 · Every October 11 · October 12, 1978 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.