BRIEF-Nokia unveils Lumia 920 and 820, pricing and dates not yet available

HELSINKI, Sept 5 Wed Sep 5, 2012 8:34pm IST

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HELSINKI, Sept 5 (Reuters) - Nokia Oyj : * Announces Nokia Lumia 820 in addition to Lumia 920 * Says to announce pricing and specific roll-out dates country by country when

sales are due to begin (Reporting by Helsinki Newsroom)

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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.