Underfolio

Every trading day › 1991

The stock market on March 18, 1991

March 18, 1991, a Monday. The S&P 500 fell 0.40% to close at 372.11. Of 5,689 US stocks that traded, 1,667 rose and 1,893 fell.

The S&P 500-0.40%closed at 372.11
How big a move#14,457of 24,799 trading days since 1928
$100 in the index since$2,070price only, to September 24, 2026
Stocks that rose1,667of 5,689; 1,893 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

C & S Sovran Corp (CVN)+5.6%
Novell (NOVL)+4.9%
Sempra Energy (SRE)+4.7%

Biggest falls among the 500 largest companies

Safety-Kleen Corp-Old (SK)-10.3%
PPG Industries (PPG)-9.0%
Lockheed Martin (LMT)-5.8%

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

‹ March 15, 1991 · Every March 18 · March 19, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.