These stocks are setting the stage for huge comebacks. When a stock you like scares you off with a significant loss in value, remember Warren Buffett's mandate to be greedy when others are fearful. Of course, tanking stock prices need to be evaluated in context -- they can scream value trap or opportunity. When they scream opportunity, let go of the fear and dive in. Toast (TOST 2.57%) and Take-Two Interactive (TTWO 1.31%) are two amazing stocks to buy while they're down. A massive opportunity to disrupt th ...