DuPont eschews a spin-out

DuPont's plans to create a tracking stock for its life sciences businesses is in line with moves the company began last year to hive off the group from its slower-growing chemicals and other businesses. But skeptics may question whether DuPont is moving too late to create a competitive life sciences play, and whether last week's tracking stock announcement simply sets the stage for an acquisition by its much larger competitors - or for a complete uncoupling of life sciences from the rest of the company.

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