Andrews pitchfork (my interpretation) is some dude had an idea and made a rule. The price should track the bottom tinge of the fork. If it breaks, it is a sign to sell. If it then breaks the bottom line with the arrow it is confirmation. It is probably similar to the gann fans etc. You should have a basic knowledge of charts. If enough people believe in them they come true. Guess what? People do believe in them. Go to a web site called "Tradersdvds" and you will find copies of cheap courses that people pay 1000$$$$'s of dollers for, Chep. Not sure if they are pirate but have a look. I have bought a few things through Paypal and no problem 2-3 days.
SDL Price at posting:
39.0¢ Sentiment: Buy Disclosure: Held