His stock as in "hype". Bynum is not that good. The media has hyped him up a lot this year(especially Shaq). I've seen enough of Bynum to gauge what he can do, and what he can't. His postgame is slightly above average, and his game is still sloppy. Yeah, lets trade an injury prone big, that doesn't win games(Gasol, and Kobe make him look good), for one of the best perimeter defenders and playmakers the league has to offer.
Bynum is the most skilled Big in the NBA today aside from Duncan, he is 7 feet tall with a 7'4 wingspan and great footwork(YOU CANT TEACH THAT!!!)
did i mention hes only 24?