chichi2, re: cpc ratio, see mrnatural's graphical analysis in this post (esp. Aroon oscillator): <a href="http://investorshub.advfn.com/boards/read_msg.aspx?message_id=35208595" target="_blank">http://investorshub.advfn.com/boards/read_msg.aspx?message_id=35208595</a>