Georgijevic/E+ via Getty Images Trying to keep a diverse portfolio sometimes means looking outside of the traditional box. This is particularly true if you're trying to tailor your portfolio toward one specific strategy, like value stocks. If you're not careful, it can be easy to be too overexposed to a single industry and very vulnerable to a market change. Today we'll be looking at Immersion Corp (NASDAQ:IMMR), a company which uses its patents and expertise to license haptic technology. We'll be consideri ...