Traders work on the floor of the New York Stock ExchangeVia Caroline Valetkevitch NEW YORK (Reuters) – U.S. stocks edged lower after the Dow in short broke above a key degree for a second day and shares of Perfect Purchase dropped on issues about its margins. A restoration in the U.S. housing market helped Home Depot House Depot used to be up 1.1 percent at $eighty.50, assisting the Dow and the S&P 500. "Undoubtedly they’re psychological ranges, and it would have (value) for traders who’ve neglected this rally," said Bruce Zaro, chief technical strategist, Delta Global Asset Administration in Boston.