AmerisourceBergen Corp. has moved into its new headquarters in Conshohocken and exited Chesterbrook, where it spent the last three decades growing into what is now a Fortune 500 company with $189.9 billion in revenue.  The 11-story, 429,122-square-foot office building at 1 W. First Ave. is part of Keystone Property Group’s $325 million Sora West mixed-use… Read more »