I'd rather see a buyback then ANOTHER purchase. Look how "great" the last buyouts worked. All those companies swallowed up for what? Pfizer needs to shake up their drug research and get it productive again. In the interim they need partnerships like the one that produced ELIQUIS until their labs are producing again.
Remember "Pepsi Next" , the mid-calorie cola? Of course not. It flopped in five minutes. Now Pepsi has yet another mid-calorie cola called Pepsi True. How much do you want to bet that this one flops also?