Dollar edges lower amid uncertain U.S. outlook

NEW YORK (Reuters) - The dollar slipped on Tuesday, alternating between gains and losses, as markets digested less bearish comments from U.S. monetary officials along with a more dire prognosis from the country's top medical expert on the spread of the novel coronavirus.The dollar gained against the euro and the yen, but fell versus sterling, the Swiss franc, and commodity currencies such as the Australian, New Zealand and Canadian dollars.Treasury Secretary Steven Mnuchin and Federal Reserve..