Did you know some companies legally move their headquarters to cut taxes? This is called 'corporate inversion'—reincorporating in a low-tax country while keeping operations in their original market. A prime example: Pfizer's 2016 merger with Allergan, which would've been the biggest inversion deal ever before the U.S. Treasury blocked it. Why do companies do this? High tax rates in countries like the U.S (1/2)