UPDATE 1-Tennis-Tournament of Champions women's singles semi-final results

Sat Nov 3, 2012 7:52pm GMT

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Nov 3 (Infostrada Sports) - Results from the Tournament of Champions Women's Singles Semi-final matches on Saturday 
2-Nadia Petrova (Russia) beat 4-Roberta Vinci (Italy) 6-7(8) 6-1 6-4        
1-Caroline Wozniacki (Denmark) beat 8-Tsvetana Pironkova (Bulgaria) 6-4 6-1

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.