When it comes to achieving market-beating, multi-bagger returns, many investors think they can only be achieved by investing in a disruptive startup or other newer, high-growth businesses. But in this Fool Live video clip, recorded on July 2, Fool.com contributor Matt Frankel, CFP, explains to Chief Growth Officer Anand Chokkavelu why the long-established company General Motors (NYSE: GM) could be a massively underappreciated opportunity.