UPDATE 1-Tennis-St Petersburg Open men's singles semifinal results

Sat Sep 22, 2012 4:34pm BST

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Sept 22 (Infostrada Sports) - Results from the St Petersburg Open Men's Singles Semifinal matches on Saturday  3-Martin Klizan (Slovakia) beat 1-Mikhail Youzhny (Russia) 6-7(11) 6-4 7-6(3)  4-Fabio Fognini (Italy) beat Daniel Gimeno-Traver (Spain) 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.