As F breaks its minor upward trendline , a short position is entered with a tight stop.
As this trade progresses, longs would will be forced to exit, creating a potential for a steep move down, at least to the trend start around $8
Factors leading to the decision:
Medium-term upward trendline broken
A recent small retracement created a lower-high which is an ideal place to put a tight stop for the trade
As always, use a tight-stop and if it rips down, let it run and trail stops behind.