Underfolio

Every trading day › 2006

The stock market on July 21, 2006

July 21, 2006, a Friday. The S&P 500 fell 0.71% to close at 1240.29. Of 4,864 US stocks that traded, 1,184 rose and 3,423 fell.

The S&P 500-0.71%closed at 1240.29
How big a move#9,163of 24,799 trading days since 1928
$100 in the index since$621price only, to September 24, 2026
Stocks that rose1,184of 4,864; 3,423 fell
Biggest companyExxon Mobilby market value that day

Biggest rises among the 500 largest companies

Johnson Controls (JCI)+8.9%
Zions Bancorporation (ZION)+4.8%
Microsoft (MSFT)+4.5%

Biggest falls among the 500 largest companies

Advanced Micro Devices (AMD)-15.7%
MEMC Electronic Materials (WFR)-13.6%
Broadcom (BRCM)-12.3%

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

‹ July 20, 2006 · Every July 21 · July 24, 2006 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.