BRIEF-Sunrise Senior Living shares jump 62 pct premarket

NEW YORK Wed Aug 22, 2012 7:34am EDT

NEW YORK Aug 22 (Reuters) - Sunrise Senior Living Inc : * Shares jump 62 percent premarket

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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.