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Apple's Scary Stock Ride: Why the 'Jockey' Really Matters

Apple has been one of the world's most innovative companies, revolutionizing our lives -- and charging a premium to do it. Now, its stock has been on a six-month downward run, and understanding the real reason why might help guide your other investment choices.

Square Gets Valued at $200 Million: Is It the Next PayPal?

Square makes it much easier for even the smallest retailers to accept credit cards: The mobile payment firm offers easy to use hardware that plugs right into iPhones or Androids. But at least part of its new high price tag probably derives from the fact that its founder, Jack Dorsey, also co-founded Twitter.