The iPhone maker has laid off some 600 employees in California working on expensive R&D projects at a time when its core products face fresh pressure.

Today, Apple CEO Tim Cook visited Corning’s factory in Harrodsburg, KY, where he spoke with CNBC’s Jim Cramer about the company’s recent product announcements, as well as Apple’s investment in the ...

Since taking the helm as Apple's CEO in 2011, Tim Cook has led the company to historic levels of growth, shifting it from a product-driven pioneer to a multi-trillion-dollar conglomerate. Under Cook's ...