even BABA has a big fall today, but it may have a other high in future. In fat, the buyer may look at 169 to create long position.
But the key point is trader must wait the effect of crisis finish, that is why i would set the entrance at 169.

For long position, there is another entrance for long is 185
Beyond Technical AnalysisTrend AnalysisWave Analysis
jichen7777

Disclaimer