*Canadian Unemployment Rate Dips To 6.8% In June

Sterling falls Vs Dollar After U.s. Jobs Report

U.s. Stock Index Futures Extend Gains After June Jobs Data

*U.S. Employment Jumps By 287,000 Jobs In June

Considerable Volatility to be Seen in Eur/pln, Pair Likely to Return to 4.30 by 2017-End