Dollar strengthens, boosted by worries over coronavirus impact

NEW YORK (Reuters) - The U.S. dollar rose against a basket of currencies for a third day 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 about 1.0% to 101.76, its highest since January 2017. The index is up about 3% for the week."The dollar's strength is, in..