The website names it as one of "America's Fastest-Dying Cities," along with Buffalo, Detroit, and Cleveland. Springfield is the only entry east of Scranton, Pennsylvania.(Full story here.) At least Forbes notes Springfield's rebranding as part of a "knowledge corridor."
UPDATE: Pioneer Valley Central's Mike Dobbs says Forbes isn't interested in "the whole story." Mass.Live.com's Bill Peters points out that Springfield was recently named America's ninth best "dating scene," and that Forbes has sent mixed messages by putting a few of its "dying cities" on its list of "best cities for commuters."