Apple (AAPL 0.67%) fell, again, on the markets today -- this time, below the $500B market cap line. And, like all the other recent days that the stock has dropped, there is no clear reason why that should affect the stock either today, or change the Apple thesis in the long run. In this video, Motley Fool tech and telecom analyst Eric Bleeker shows us the upside, and gives us a lot of the bullish numbers on Apple in the smartphone and tablet spaces, that we based our investing theses on in the first place.