U.S. assets gain, European shares dip on Fed rate hike bets

By Sam Forgione NEW YORK (Reuters) - U.S. stock markets and the dollar climbed on Monday while European share markets fell, following comments by top Federal Reserve officials that bolstered expectations for an interest rate hike by the U.S. central bank this year. Fed Chair Janet Yellen said on Friday the case for a rate increase was strengthening, but provided little detail on when the Fed would next move. Vice Chair Stanley Fischer suggested on CNBC that a rate hike as soon as next month was