Underfolio

Every trading day › 1991

The stock market on March 12, 1991

March 12, 1991, a Tuesday. The S&P 500 fell 0.79% to close at 370.03. Of 5,692 US stocks that traded, 1,400 rose and 2,167 fell.

The S&P 500-0.79%closed at 370.03
How big a move#8,185of 24,799 trading days since 1928
$100 in the index since$2,082price only, to September 24, 2026
Stocks that rose1,400of 5,692; 2,167 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Fina Inc -cl A (FI)+4.9%
Nordstrom (JWN)+3.9%
Citizens Commun -ser B Old (CZN)+3.5%

Biggest falls among the 500 largest companies

Blockbuster Entertainment Corp. (BV)-8.5%
Marriott Corp. (MHS)-8.0%
TJX Companies, Inc. (The) (TJX)-7.7%

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

‹ March 11, 1991 · Every March 12 · March 13, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.