Amkor, an Arizona-based company, plans to invest $2 billion in the northwest Valley by building a state-of-the-art facility.

Honeywell Aerospace will become a separate company with its headquarters still in Phoenix, officials confirmed after details of its parent company's breakup were announced Thursday morning.

While "right-sizing" usually means laying off people six levels below the executives who decide they are dispensable, in this case it means knocking down two of the RenCen's four 39-story towers, ...