Underfolio

Every trading day › 1989

The stock market on December 20, 1989

December 20, 1989, a Wednesday. The S&P 500 rose 0.11% to close at 342.84. Of 5,881 US stocks that traded, 1,777 rose and 1,832 fell.

The S&P 500+0.11%closed at 342.84
How big a move#21,536of 24,799 trading days since 1928
$100 in the index since$2,247price only, to September 24, 2026
Stocks that rose1,777of 5,881; 1,832 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

First Fidelity Bancorp. (FFB)+7.0%
Fannie Mae (FNMA)+5.8%
Freddie Mac (FRE)+5.4%

Biggest falls among the 500 largest companies

Walt Disney (DIS)-9.2%
Dana (DAN)-4.7%
Loews (LTR)-4.1%

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

‹ December 19, 1989 · Every December 20 · December 21, 1989 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.