Underfolio

Every trading day › 1988

The stock market on December 21, 1988

December 21, 1988, a Wednesday. The S&P 500 fell 0.03% to close at 277.38. Of 6,083 US stocks that traded, 1,608 rose and 1,926 fell.

The S&P 500-0.03%closed at 277.38
How big a move#23,798of 24,799 trading days since 1928
$100 in the index since$2,777price only, to September 24, 2026
Stocks that rose1,608of 6,083; 1,926 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks

Biggest rises among the 500 largest companies

Supervalu (SVU)+4.2%
Kemper Corp (KEM)+3.8%
Amerada Hess (AHC)+3.3%

Biggest falls among the 500 largest companies

Honeywell (HON.Z)-4.2%
V.F. Corporation (VFC)-3.3%
Bank One Corp. (ONE)-3.3%

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

‹ December 20, 1988 · Every December 21 · December 22, 1988 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.