Underfolio

Every trading day › 1991

The stock market on August 14, 1991

August 14, 1991, a Wednesday. The S&P 500 rose 0.07% to close at 389.90. Of 5,732 US stocks that traded, 1,920 rose and 1,628 fell.

The S&P 500+0.07%closed at 389.90
How big a move#22,697of 24,799 trading days since 1928
$100 in the index since$1,976price only, to September 24, 2026
Stocks that rose1,920of 5,732; 1,628 fell
Biggest companyExxon Mobilby market value that day

Biggest rises among the 500 largest companies

Lotus Development Corp (LOTS.)+11.2%
Centocor Inc (CNTO.)+6.1%
Allergan (AGN)+6.1%

Biggest falls among the 500 largest companies

PNC Financial Services (PNC)-4.3%
Ual Corp. (UAL)-3.9%
Sigma-Aldrich (SIAL)-3.9%

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

‹ August 13, 1991 · Every August 14 · August 15, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.