Underfolio

Every trading day › 2006

The stock market on August 21, 2006

August 21, 2006, a Monday. The S&P 500 fell 0.37% to close at 1297.52. Of 4,856 US stocks that traded, 1,496 rose and 3,134 fell.

The S&P 500-0.37%closed at 1297.52
How big a move#15,057of 24,799 trading days since 1928
$100 in the index since$594price only, to September 24, 2026
Stocks that rose1,496of 4,856; 3,134 fell
Biggest companyExxon Mobilby market value that day

Biggest rises among the 500 largest companies

Freeport-McMoRan (FCX)+4.7%
Newmont Mining (NEM)+3.6%
Marathon Oil (MRO)+3.1%

Biggest falls among the 500 largest companies

Ford Motor (F)-6.6%
National Semiconductor (NSM)-4.9%
Countrywide Financial (CFC)-4.4%

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

‹ August 18, 2006 · Every August 21 · August 22, 2006 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.