UPDATE 3-Tennis-U.S. Open men's singles round 4 results

Tue Sep 3, 2013 4:18am BST

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Sept 3 (Infostrada Sports) - Results from the U.S. Open Men's Singles Round 4 matches on Monday 
8-Richard Gasquet (France) beat 10-Milos Raonic (Canada) 6-7(4) 7-6(4) 2-6 7-6(9) 7-5 
2-Rafa Nadal (Spain) beat 22-Philipp Kohlschreiber (Germany) 6-7(4) 6-4 6-3 6-1       
4-David Ferrer (Spain) beat 18-Janko Tipsarevic (Serbia) 7-6(2) 3-6 7-5 7-6(3)        
19-Tommy Robredo (Spain) beat 7-Roger Federer (Switzerland) 7-6(3) 6-3 6-4

After wave of QE, onus shifts to leaders to boost economy

DAVOS, Switzerland - Central banks have done their best to rescue the world economy by printing money and politicians must now act fast to enact structural reforms and pro-investment policies to boost growth, central bankers said on Saturday.