Historically, - the driving entity behind $TWTR loves to dump the dummies whenever they got gathered in a decent vol. Logically - Vol. is going down, thus, no one is interested to push it up.
Machine learning has some thing to say at each earning month. Your seat belt folks. cheerz
First: When when dealing with a stock chart you are dealing with an entity NOT a natural driven event. Second: Historically, $TWTR chart is one of the best in sudden drops. Third: Be Wise, wisdom absorbs the history.