Apple Stock Is at a Key Pivot Point

With all eyes set on Apple (AAPL) Tuesday for its big event, there's a lot riding on the success of its latest product launch. Most of the details are known: There will be new iPhones, including a $1,000 model, and a new Apple Watch. Wall Street's reaction will give us a good read as to how impressed investors are—with some key pivot points to keep an eye on.

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