Needham downgrades Biogen on slow growth of Alzheimer's drug

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BIOGEN IDEC Inc. (NASDAQ: BIIB) Delayed: 214.35 -7.21 (3.25%)
Previous Close $221.56    52 Week High $333.65 
Open $217.98    52 Week Low $223.02 
Day High $221.29    P/E 27.45 
Day Low $214.16    EPS $7.81 
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