European stock markets opened lower on Friday as global markets braced for U.S. President Donald Trump's tariffs on automakers set to take effect on April 2. The pan-European Stoxx 600 was 0.13% lower shortly after the opening bell. The U.K.'s FTSE 100 was marginally higher, while France's CAC 40 was down 0.4%. The German Dax was 0.5% lower. Shares of French video game publisher Ubisoft were 10.2% higher by 8:31 a.m. London time after Chinese tech giant Tencent announced it would take a $1.25 billion stake in a new subsidiary focusing on Ubisoft's gaming brands Assassin's Creed, Far Cry and...