Stocks surged on Friday amid increasing hopes for a U.S.-China trade deal as equities posted another solid weekly gain. The Dow Jones Industrial Average jumped 443.86 points to 25,883.25 as J.P. Morgan Chase and Goldman…

Bloomberg | Bloomberg | Getty Images Michael Calvey, co-managing partner of Baring Vostok Capital Partners, gestures during an interview at the company's headquarters in Moscow, Russia, on Tuesday, April 4, 2011. A U.S. citizen and…