** China stocks rise on Tuesday afternoon in intense trading volatility
** The CSI300 index rises 3.8 percent to 4,351.37 points at 5:09 GMT, while the Shanghai Composite Index gains 2.4 percent to 4,148.36 points
** China CSI300 stock index futures for July rise 7.9 percent, to 4,379.8, 28.43 points above the current value of the underlying index.
** The Hang Seng index adds 1.6 percent to 26,392.91 points.
** The Hong Kong China Enterprises Index gain 2.5 percent, to 13,017.46.