Nvidia’s $40 Billion ARM Purchase Will Test M&A ‘Ceiling’

After nearly two months of negotiations and press reports that a blockbuster deal was in the works, Nvidia this week announced a $40 billion agreement to buy ARM—the leading supplier of processor intellectual property (IP)—from financially struggling SoftBank in Japan.  If approved, the deal would be the largest semiconductor acquisition in history, provided the additional $5 billion cash/stock payment is+