Underfolio

Every trading day › 1989

The stock market on September 28, 1989

September 28, 1989, a Thursday. The S&P 500 rose 1.01% to close at 348.60. Of 5,890 US stocks that traded, 2,076 rose and 1,454 fell.

The S&P 500+1.01%closed at 348.60
How big a move#5,921of 24,799 trading days since 1928
$100 in the index since$2,210price only, to September 24, 2026
Stocks that rose2,076of 5,890; 1,454 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Reebok International (RBK)+11.5%
Borden Chemical+6.5%
Harcourt General (H)+6.4%

Biggest falls among the 500 largest companies

Cray Research (CYR)-4.1%
ConocoPhillips (P)-3.3%
Shearson Lehman Bros Hldg-3.1%

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

‹ September 27, 1989 · Every September 28 · September 29, 1989 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.