Wall Street opens down on Europe bank worries

The Dow Jones industrial average was down 54.72 points, or 0.52 percent, at 10,393.21. The Standard & Poor's 500 Index was down 7.37 points, or 0.67 percent, at 1,097.14. The Nasdaq Composite Index was down 10.56 points, or 0.47 percent, at 2,223.19.

(Reporting by Caroline Valetkevitch; editing by Jeffrey Benkoe)