Yen, Swiss franc gain as risk rally fades

By Tariro Mzezewa NEW YORK (Reuters) - The yen and Swiss franc rallied across the board on Tuesday as a recent rebound in stocks and crude oil faded, reviving demand for both safe-haven currencies. The Japanese currency climbed to a two-week peak against the dollar, while the Swiss franc rose to a three-week high, eliciting demand as U.S. crude futures slumped nearly five percent on the day, and Wall Street shares traded lower. Comments from Bank of Japan Governor Haruhiko Kuroda on Tuesday also