Now what: The jump in the stock seems strange, given the earnings miss and comparable sales drop. Investors seem to be encouraged by the share buybacks and reaffirming its guidance, but even the Brazil results shouldn't be interpreted as a sign of strength, given that inflation probably caused most of the improvement. A secret billion-dollar stock opportunity The world's biggest tech company forgot to show you something, but a few Wall Street analysts and the Fool didn't miss a beat: There's a small company that's powering their brand-new gadgets and the coming revolution in technology.