Friday morning at market open seen $MNGA climb close  to high 52 weeks 2.42. See that start looking for any news on that beside been in closed to 52 week. I was 100% before lunch that spike will die later to low $2. Took my 1st short at 2.30 stock spike and get out 2.42 I think, 2snd position short at 2.38 didnt got lower then 2.30 got  close to 2.38 and exist out cause had to leave the computer and didnt want to get squezse because by a small mistake. Left my place and quess what, 1 hour later the stock plunge to $1.85 and continue to trade around 2.10 until closed. 

Lesson: Dont trade the day you cant focus on the trade.