Dollar soars, boosted by worries over coronavirus impact

NEW YORK (Reuters) - The U.S. dollar rallied across the board on Thursday, as worries about the economic fallout from the coronavirus boosted dollar demand despite recent steps by world central banks aimed at alleviating market stress.The dollar index , which measures the greenback's strength against a basket of six other major currencies, rose 2.0% to 102.73, its highest level since January 2017. The index is up about 4% for the week."The dollar’s rampage continues into another session today..