The Shanghai Composite Index originally generated a technical buy signal at 2955 on 18/3/16. At that point the index technical outlook turned positive.
The index has now completed a technical top formation / closed below key support that originated in early 2016, which has generated a technical sell signal.
The index technicals have turned negative - the first technical trend change since March 2016.
The minimum downside technical target is located at 2970 - the minimum expectation for a pullback.