*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

ECB Leaves Rates Unchanged, Expects Rate To Remain Steady Longer

*ECB Unveils Details Of TLTRO-III, Prices Loans At Main Refi Rate +10 Bps