UPDATE 1-Tennis-U.S. Open women's singles results

Tue Sep 3, 2013 9:14pm BST

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Sept 3 (Infostrada Sports) - Results from the U.S. Open Women's Singles matches on Tuesday 
5-Li Na (China) beat 24-Ekaterina Makarova (Russia) 6-4 6-7(5) 6-2      
Round 4
2-Victoria Azarenka (Belarus) beat 13-Ana Ivanovic (Serbia) 4-6 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.