Underfolio

Every trading day › 1983

The stock market on September 15, 1983

September 15, 1983, a Thursday. The S&P 500 fell 0.59% to close at 164.38. Of 5,351 US stocks that traded, 1,290 rose and 1,853 fell.

The S&P 500-0.59%closed at 164.38
How big a move#10,941of 24,799 trading days since 1928
$100 in the index since$4,687price only, to September 24, 2026
Stocks that rose1,290of 5,351; 1,853 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

L Brands (LTD)+7.7%
Mitchell Energy & Devel. (MND)+4.4%
Wometco Enterprises -cl A (WOM)+4.1%

Biggest falls among the 500 largest companies

Kaisertech Ltd-5.1%
Apple (AAPL)-4.7%
Tandem Computers Inc (TDM.)-4.2%

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

‹ September 14, 1983 · Every September 15 · September 16, 1983 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.