UPDATE 3-Tennis-Stuttgart Grand Prix women's singles quarterfinal results

Fri Apr 26, 2013 8:40pm BST

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April 26 (Infostrada Sports) - Results from the Stuttgart Grand Prix Women's Singles Quarterfinal matches on Friday 
2-Li Na (China) beat 5-Petra Kvitova (Czech Republic) 6-3 7-5                
Bethanie Mattek-Sands (U.S.) beat Sabine Lisicki (Germany) 6-4 6-2           
1-Maria Sharapova (Russia) beat Ana Ivanovic (Serbia) 7-5 4-6 6-4            
3-Angelique Kerber (Germany) beat Yaroslava Shvedova (Kazakhstan) 6-3 7-6(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.