Apple stock broke the $500 mark today. It's the first time for AAPL in that territory since late January of this year. The higher stock value followed by a day billionaire Carl Icahn's support for Apple with the announcement of a major stock purchase and a tweet saying that the stock was "extremely undervalued."
Apple will also be unveiling new iOS products on September 10, which may be further stirring the pot. Close followers of the company expect to see a low cost iPhone, and perhaps an iPhone 5s model with an updated camera and some en