The stock market on April 21, 2006
April 21, 2006, a Friday. The S&P 500 fell 0.01% to close at 1311.28. Of 4,858 US stocks that traded, 2,189 rose and 2,410 fell.
The S&P 500-0.01%closed at 1311.28
How big a move#24,233of 24,799 trading days since 1928
$100 in the index since$588price only, to September 24, 2026
Stocks that rose2,189of 4,858; 2,410 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Arch Coal, Inc. (ARCH) | +9.7% |
| Energy Future Holdings | +7.9% |
| Peabody Energy (BTU) | +6.5% |
Biggest falls among the 500 largest companies
| SanDisk (SNDK) | -8.4% |
| Ford Motor (F) | -7.9% |
| Marvell Technology Group Ltd. (MRVL) | -5.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ April 20, 2006 · Every April 21 · April 24, 2006 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.