KFC is a subsidiary of Yum Brands in the U.S. Buying KFC stock involves investing in Yum Brands shares, which were worth about $10 in 2003 and $70 in 2012, which means that you get six times the amount invested in the program, and if you bought $100,000 at the beginning, it is worth $700,000 now, and you made $600,000 in profit.