Traders worried about trade war between US, China
                                
                                
                                    (Newser) -
                                    Stocks sank again Friday, giving Wall Street its worst week in two years, as fear gripped investors that China and the US were headed for a trade war, the  AP  reports. The Dow Jones industrial average plunged more than 400 points, bringing its weekly decline to 1,400. Technology companies...