*Canadian Trade Deficit Widened To C$2.7 Bln In July

*Canadian New Housing Prices Fell 0.1% In July

*U.S. Trade Deficit Narrows To $42.8 Bln In July

*Initial Jobless Claims Drop 27K To 451K In Week Ended 9/4

Dollar Steady Ahead Of US Weekly Jobless Claims, Trade Balance Reports