Underfolio

Every trading day › 1991

The stock market on December 30, 1991

December 30, 1991, a Monday. The S&P 500 rose 2.14% to close at 415.14. Of 5,788 US stocks that traded, 2,713 rose and 1,322 fell.

The S&P 500+2.14%closed at 415.14
How big a move#1,462of 24,799 trading days since 1928
$100 in the index since$1,856price only, to September 24, 2026
Stocks that rose2,713of 5,788; 1,322 fell
Biggest companyAltria Groupby market value that day

Biggest rises among the 500 largest companies

CA Technologies (CA)+13.8%
Russell (RML)+10.3%
Engelhard (EC)+9.0%

Biggest falls among the 500 largest companies

Citicorp-4.7%
Compaq Computer (CPQ)-3.3%
Pharmacia (PNU)-3.0%

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

‹ December 27, 1991 · Every December 30 · December 31, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.