UPDATE 1-Tennis-Shanghai Masters men's singles semifinal results

Sat Oct 12, 2013 3:01pm BST

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Oct 12 (Infostrada Sports) - Results from the Shanghai Masters Men's Singles Semifinal matches on Saturday 
6-Juan Martin Del Potro (Argentina) beat 2-Rafa Nadal (Spain) 6-2 6-4 
1-Novak Djokovic (Serbia) beat 7-Jo-Wilfried Tsonga (France) 6-2 7-5

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.