Increasing unusual put option volume: ASTR BIIB

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BIOGEN IDEC Inc. (NASDAQ: BIIB) Delayed: 205.77 +6.18 (3.10%)
Previous Close $199.59    52 Week High $333.65 
Open $201.63    52 Week Low $223.02 
Day High $205.88    P/E 26.35 
Day Low $200.20    EPS $7.81 
Volume 137,973