They have to do something with their cash. They need a new pipeline soon. CELG is not cheap, but is growing like crazy. PFE needs to find some growth soon.
Wow, CELG was up almost 8.5% today.http://finance.yahoo.com/q?s=CELG
I don't know if that's the answer, but they have to do something fairly soon. The stock chart the last several years is very ugly.