Underfolio

Every trading day › 2006

The stock market on August 18, 2006

August 18, 2006, a Friday. The S&P 500 rose 0.37% to close at 1302.30. Of 4,855 US stocks that traded, 2,402 rose and 2,156 fell.

The S&P 500+0.37%closed at 1302.30
How big a move#14,970of 24,799 trading days since 1928
$100 in the index since$592price only, to September 24, 2026
Stocks that rose2,402of 4,855; 2,156 fell
Biggest companyExxon Mobilby market value that day

Biggest rises among the 500 largest companies

NetApp (NTAP)+4.9%
Microsoft (MSFT)+4.4%
Sirius XM Holdings Inc. (SIRI)+4.3%

Biggest falls among the 500 largest companies

Marvell Technology Group Ltd. (MRVL)-7.0%
Gap, Inc. (The) (GPS)-3.8%
Cbot Holdings Inc (BOT)-3.3%

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

‹ August 17, 2006 · Every August 18 · August 21, 2006 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.