Underfolio

Every trading day › 1982

The stock market on September 30, 1982

September 30, 1982, a Thursday. The S&P 500 fell 0.99% to close at 120.42. Of 4,989 US stocks that traded, 1,019 rose and 1,785 fell.

The S&P 500-0.99%closed at 120.42
How big a move#6,091of 24,799 trading days since 1928
$100 in the index since$6,398price only, to September 24, 2026
Stocks that rose1,019of 4,989; 1,785 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Kerr-McGee (KMG)+5.9%
Bausch & Lomb (BOL)+5.1%
Alexander & Alexander (AAL)+4.7%

Biggest falls among the 500 largest companies

Johnson & Johnson (JNJ)-6.5%
Timken (TKR)-5.3%
Wheelabrator Frye (WFI)-4.7%

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

‹ September 29, 1982 · Every September 30 · October 1, 1982 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.