Underfolio

Every trading day › 1977

The stock market on September 19, 1977

September 19, 1977, a Monday. The S&P 500 fell 0.65% to close at 95.85. Of 4,642 US stocks that traded, 807 rose and 1,538 fell.

The S&P 500-0.65%closed at 95.85
How big a move#9,936of 24,799 trading days since 1928
$100 in the index since$8,038price only, to September 24, 2026
Stocks that rose807of 4,642; 1,538 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Sambo's Restaurants (QSRI.)+20.4%
Mesa Inc (MXP.)+3.6%
Ecolab (ECL)+3.4%

Biggest falls among the 500 largest companies

Norfolk Southern Railway Co-4.3%
Honeywell (HON.Z)-3.8%
USF&G Corporation (United States Fidelity & Guaranty) (FG)-3.7%

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

‹ September 16, 1977 · Every September 19 · September 20, 1977 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.