Stocks slipped at the open on Wednesday as FedEx warned about higher costs, housing starts fell to a five-month low and new concerns surfaced over Spain's fiscal problems.

* The Dow Jones industrial average <.DJI> fell 63.63 points, or 0.61 percent, to 10,341.14. The Standard & Poor's 500 Index <.SPX> lost 7.14 points, or 0.64 percent, to 1,108.09. The Nasdaq Composite Index <.IXIC> was off 13.88 points, or 0.60 percent, to 2,292.00.

(Reporting by Leah Schnurr; editing by Jeffrey Benkoe)