Key TakeawaysShares of companies with large mergers got a boost Wednesday after Donald Trump won the U.S. presidential election. Trump campaigned on a platform that included cutting government regulation.The outcome of the vote lifted optimism that the Discover-Capital One and Kroger-Albertsons deals will be completed. It may also have lifted shares of Cleveland-Cliffs, which has tried to acquire U.S. Steel. Donald Trump's re-election and his call to cut government regulation on Wednesday helped boost shar ...