Apple's surprise warning to shareholders marks the first time the company has had to do this in almo

Apple told investors on Wednesday to expect revenue from its holiday quarter to be around 8% lower than previously anticipated. CEO Tim Cook largely blamed weak iPhone sales, "primarily" in China. The company saw its stock plunge in after-hours trading and when the market opened on Thursday. The last time Apple made such a shocking announcement was in 2002, years before the introduction of the iPhone. On Wednesday, Apple announced revenue for its holiday quarter would be significantly...