Wall Street opens higher on earnings, data
* Dow Chemical Q1 profit beats estimates, shares soar
* Chrysler to file for chapter 11 bankruptcy protection
* Initial jobless claims fall unexpectedly
* The Dow Jones industrial average rose 68.73 points, or 0.84 percent, to 8,254.46. The Standard & Poor's 500 Index gained 8.45 points, or 0.97 percent, to 882.09. The Nasdaq Composite Index jumped 19.68 points, or 1.15 percent, to 1,731.62.
(Reporting by Rodrigo Campos; editing by Jeffrey Benkoe)