*Canadian Trade Deficit Narrows To C$3.2 Billion In March

*U.S. Initial Jobless Claims Dip To 228,000 In Week Ended 5/4

*U.S. Producer Prices Rise 0.2% In April, Core Prices Inch Up 0.1%

*U.S. Trade Deficit Widens To $50.0 Billion In March

Norway Central Bank Signals June Rate Hike