New Delhi, May 2 -- Apple posted strong results for its quarterly earnings on Thursday, but investors' attention is also focused on the upcoming CEO change and the tech firm's artificial intelligence strategy.

Apple CEO Tim Cook announced earlier this month he will be stepping down from the role, with Apple's head of hardware engineering, John Ternus, assuming the role later this year.

The January-March results announced Thursday reflect the continued momentum of iPhone sales. Cook said in a statement that it was the company's best March quarter ever, with "double-digit growth across every geographic segment."

The company earned $29.58 billion, or $2.01 per share, in the January-March period, up about 22% from the same period a year ea...