Thanks for sharing us with Pattern 1 & 2 for QQQ after it touched 200 EMA.

https://bbs.wenxuecity.com/finance/6487744.html

On 01/03/2016, QQQ touched 200EMA. The next day it opened much higher but closed lower (still above 200EMA). The third day it crashed below 200EMA. The bouce after touching 200EMA never reached 50 EMA in this case. YMYD.