The right part of Chart 3 shows that the higher contribution margin was because of the higher gross profit margin. The company attributed this to: Supply chain cost improvements. Higher proportion ...

As services become a bigger part of Apple’s business, the company continues to deliver higher profit margins for investors.

(Reuters) -Tesla fell short of analysts' estimates for gross profit margin in the fourth quarter on Wednesday, as the electric-vehicle maker rolled out financing offers and discounts to spur ...