Dollar retreats from 14-year high, banks drag Europe shares lower

By Nigel Stephenson LONDON (Reuters) - The dollar eased from 14-year highs on Wednesday, giving back some of the gains chalked up since Donald Trump's U.S. election victory, while concerns over banks pulled European shares lower. Wall Street also looked set to open lower, according to index futures, after the Dow Jones industrial average climbed to within 25 points of the 20,000 mark on Tuesday. A widespread conviction that Trump's policies will boost the U.S. economy has powered the dollar and