Underfolio

Every trading day › 2005

The stock market on August 23, 2005

August 23, 2005, a Tuesday. The S&P 500 fell 0.34% to close at 1217.59. Of 4,904 US stocks that traded, 1,903 rose and 2,694 fell.

The S&P 500-0.34%closed at 1217.59
How big a move#15,628of 24,799 trading days since 1928
$100 in the index since$633price only, to September 24, 2026
Stocks that rose1,903of 4,904; 2,694 fell
Biggest companyExxon Mobilby market value that day

Biggest rises among the 500 largest companies

Lucent Technologies (LU)+3.8%
Sepracor Inc (SEPR)+3.5%
Adobe Inc. (ADBE)+3.3%

Biggest falls among the 500 largest companies

Boston Scientific (BSX)-4.5%
VeriSign, Inc. (VRSN)-4.0%
Lyondell Chemical (LYO)-3.9%

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

‹ August 22, 2005 · Every August 23 · August 24, 2005 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.