Wall Street seen lower after rock-and-roll week

U.S. stock index futures fell early on Friday, as the rocky ride in global markets continued. Dow Jones industrial average futures (Chicago Board of Trade: @DJ.1) traded more than 100 points lower, after the major averages closed Thursday more than 2 percent higher. On Friday, the benchmark Shanghai Composite (Shanghai Stock Exchange: .SSEC) index ended provisionally 4.8 percent higher , after ...