Some investors decide to invest by analyzing charts. Some like to study companies fundamentals before deciding to invest. Some invest by blindly following what some hedge fund tells them to buy. Or some news headline. Or better yet some random bot on a comment thread or social media.  Its called Due Diligence, or DD for short. I can understand day trading or swing trading the trends. I do that every day. But if you are a long term investor then you must do your DD.  Unless you l...