Dollar gains on risk sentiment, Swiss franc falls on surprise SNB cut

"The U.S. does remain the only game in town in global markets offering higher yields, in nominal and real terms, than any of the other major economic blocs," says Corpay chief market strategist Karl Schamotta, "The flow of currency into the United States remains essentially unstoppable at this point given the optimism around where the U.S. economy is headed".

Read the Reuters article here.