Apple iPhone sales fall but beat estimates; shares slip

Apple Inc posted a third quarter in a row of declining iPhone sales on Tuesday, but beat Wall Street targets for its flagship product and forecast higher-than-expected revenue for the critical holiday shopping season. Apple executives said demand for the new iPhone 7, the company's best hope to revive flagging sales, was strong, despite fiscal fourth-quarter revenue dips in China and the Americas, its two most important markets. Chief Financial Officer Luca Maestri said it was "impossible to kno