UPDATE 1-Tennis-Los Angeles International men's singles quarterfinal results

Sat Jul 28, 2012 4:28am BST

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 July 28 (Infostrada Sports) - Results from the Los Angeles International Men's Singles Quarterfinal matches on Friday 
2-Sam Querrey(U.S.)beat 5-Xavier Malisse(Belgium)6-2 3-1 (Malisse retired) 
6-Marinko Matosevic(Australia)beat Michael Russell(U.S.)6-2 6-3            
Rajeev Ram(U.S.)beat 3-Leonardo Mayer(Argentina)7-6(3) 6-3                 
Ricardas Berankis(Lithuania)beat 4-Nicolas Mahut(France)6-4 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.