Ebb & Flow

Despite the proliferation of "Monday morning quarterbacking" onBiogen Idec'sunfruitful attempt to sell itself late last year, President and CEO James Mullen last week reaffirmed his commitment to taking the company off the market.

"I don't think the right way to run the business is to have, for anybody's sake, a permanent 'For Sale' sign out on the front lawn," Mullen said on the company's earnings call...