UPDATE 2-Tennis-Winston-Salem Open men's singles quarterfinal results

Thu Aug 23, 2012 11:48pm BST

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Aug 23 (Infostrada Sports) - Results from the Winston-Salem Open Men's Singles Quarterfinal matches on Thursday 
1-Jo-Wilfried Tsonga (France) beat 6-Marcel Granollers (Spain) 6-1 6-2   
7-Sam Querrey (U.S.) beat 4-Alexandr Dolgopolov (Ukraine) 7-5 4-6 7-6(3) 
2-Tomas Berdych (Czech Republic) beat Steve Darcis (Belgium) 4-6 6-2 6-0

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.