The Latest: Rare walk-back from Apple weighs on US markets

NEW YORK (AP) — The Latest on sales at Apple Inc., which issued a rare cut to its revenue forecast citing weakness in China (all times local):
9:50 a.m.
Shares of Apple are tumbling in early trading after the tech giant issued a rare cut to its revenue forecast due to weakness in China.
In a letter to the company shareholders, Apple CEO Tim Cook traced most of the damage to China, which is squaring off with the U.S. in a trade war just as its economy begins to show signs of slowing.
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