By Mike Dolan -What matters in U.S. and global markets today By Mike Dolan, Editor-At-Large, Finance and Markets Edgier world markets appeared to bat away the latest testy exchanges in the re-heated U.S.-China trade war, helped by dovish soundings from the Federal Reserve boss that included signals about an imminent end to its balance sheet rundown. As gold spiraled on to new highs, in what global fund managers see as the most crowded trade on the planet, U.S. Treasury yields and the dollar fell after ...