Apple Halts Billions of Dollars in Payments to Qualcomm

Apple Inc. cut off billions of dollars in payments to Qualcomm Inc., turning a contract dispute into what one analyst called an "all-out war" that forced the chip supplier to slash forecasts given only days ago. The world’s largest publicly-traded technology company and one of the main suppliers of components to the iPhone, its most important product, have traded accusations of lying, making threats and trying to create an illegal monopoly.