US stocks once again failed to sustain an early upward move and came under pressure over the course of the trading day. With the downturn on the day, the Dow and the S&P; 500 closed lower for the fifth consecutive session. The major averages accelerated to the downside going into the close, ending the day firmly negative. Asian stocks mostly trod in positive territory, as easing concerns about U.S.-China tensions and clarifications that Chinese regulatory crackdown on gaming companies were not as harsh as originally...