UPDATE 1-Tennis-Madrid Open women's singles semifinal results

Sat May 11, 2013 1:27pm BST

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May 11 (Infostrada Sports) - Results from the Madrid Open Women's Singles Semifinal matches on Saturday 
2-Maria Sharapova (Russia) beat 16-Ana Ivanovic (Serbia) 6-4 6-3 
1-Serena Williams (U.S.) beat 7-Sara Errani (Italy) 7-5 6-2

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.