*ECB's Draghi Holds Press Conference In Vilnius, Lithuania

*Canadian Trade Deficit Narrows To C$966 Million In April

*U.S. Initial Jobless Claims Unchanged At 218,000 In Week Ended 6/1

*U.S. Labor Productivity Jumps By Downwardly Revised 3.4% In Q1

*U.S. Trade Deficit Narrows To $50.8 Billion In April