The stock market did very well on Friday morning, with investors responding to further positive news on the U.S.-China trade front. As of 11:30 a.m. EST, the Dow Jones Industrial Average (DJINDICES:^DJI) was up 330 points to 25,769. Among other major indexes, the S&P 500 (SNPINDEX:^GSPC) was up 21 points...