William J O’Neil is considered a master stock picker and investor based in the US and is a proponent of what is called the ‘CAN SLIM’ investment methodology. He is the author of the bestseller ‘How to Make Money in Stocks’. BusinessLine caught up with Steven L Birch, President of William O’Neil + Company, at the launch of the company’s ‘MarketSmith’ app for Indian investors. Excerpts:What does the...