Apple has shed the equivalent of a Google or a Microsoft since September

The new drop means that Apple is now more than $300/share down from its high point in September, when the company was worth over $650 billion.

AAPL sheds a Yahoo, Yelp, and LinkedIn worth of market cap today: $35B

Apple stock dropped like a rock today, dropping 6.43 percent of its value -- nearly $35 billion -- in heavy trading. But the big question is why.