BRIEF-Yum! Brands shares off 4.6 pct after the bell

NEW YORK Mon Feb 4, 2013 4:51pm EST

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NEW YORK Feb 4 (Reuters) - Yum Brands Inc : * Shares off 4.6 percent after the bell following results

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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.