From 2000-2009, even while the stock market crashed, one strategy gained an average of 27% per year.Over 5 decades, this strategy led a portfolio manager to double the market's performance.While other philosophies have come in and out of vogue, this one has withstood the test of time.It's called "deep value investing."Deep value investing is all about identifying promising stocks that trade lightyears below their true value.Fortunately, a veteran practitioner of this strategy will join Marketfy to teach the essential lessons that you need to boost your returns.Tim Melvin is a leading deep value investor, portfolio manager, and writer. He will reveal the methods that can take your portfolio to the next level.