Underfolio

Every trading day › 1991

The stock market on August 2, 1991

August 2, 1991, a Friday. The S&P 500 rose 0.02% to close at 387.18. Of 5,708 US stocks that traded, 1,810 rose and 1,724 fell.

The S&P 500+0.02%closed at 387.18
How big a move#24,191of 24,799 trading days since 1928
$100 in the index since$1,990price only, to September 24, 2026
Stocks that rose1,810of 5,708; 1,724 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

MBIA Inc. (MBI)+9.8%
Marathon Oil (MRO)+6.8%
Costco Wholesale (COST)+6.0%

Biggest falls among the 500 largest companies

Security Pacific Corp-4.7%
McDonnell Douglas (MD)-3.8%
Bethlehem Steel-3.5%

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

‹ August 1, 1991 · Every August 2 · August 5, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.