Underfolio

Every trading day › 2013

The stock market on August 23, 2013

August 23, 2013, a Friday. The S&P 500 rose 0.39% to close at 1663.50. Of 3,854 US stocks that traded, 1,959 rose and 1,687 fell.

The S&P 500+0.39%closed at 1663.50
How big a move#14,487of 24,799 trading days since 1928
$100 in the index since$463price only, to September 24, 2026
Stocks that rose1,959of 3,854; 1,687 fell
Biggest companyAppleby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Autodesk, Inc. (ADSK)+7.7%
Microsoft (MSFT)+7.3%
Facebook (FB)+5.2%

Biggest falls among the 500 largest companies

Marvell Technology Group Ltd. (MRVL)-5.9%
Vulcan Materials (VMC)-3.0%
D.R. Horton (DHI)-2.9%

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

‹ August 22, 2013 · Every August 23 · August 26, 2013 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.