BRIEF-Tellabs shares drop in premarket

NEW YORK Wed Dec 12, 2012 7:33am EST

NEW YORK Dec 12 (Reuters) - Tellabs Inc : * Drops 26.9 percent to $2.45 in 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.