Wall Street slips as countdown to Trump's swearing-in begins

U.S. stocks edged lower on Thursday as investors appeared wary of taking on too much risk ahead of Donald Trump's swearing-in as president on Friday. The markets are also digesting a clutch of information including the European Central Bank's decision to maintain its monetary policy, while awaiting a speech by Federal Reserve Chair Janet Yellen. After hitting a series of record highs in a post-election rally, Wall Street has been trading in a tight range as investors look for more details on Tru