Ideanomics, a fintech and electric mobility firm based in New York, has added to its list of acquisitions on Monday to buy commercial electric vehicle manufacturer Via Motors in an all-stock deal valued at $450 million. Ideanomics has been aggressively purchasing mobility businesses this year, as it seeks to build out vertically integrated offerings for fleet operators and transit authorities transitioning to electric vehicles. The Via Motors acquisition announcement pushed Ideanomics’ share price up 6% since the market opened to $2.43. This year alone, Ideanomics has completed acquisitions of US…