"Despite the steady melt-up in Apple shares over the past few months, there has actually been a steady drumbeat of bad news," an analyst said Tuesday.

In Apple's case, there's also some charitably "lukewarm" news that may be worse than the bad news, Moffett wrote. Artificial intelligence was supposed to be a boon for Apple, but the company doesn't ...

The tech giant said that the update would make it clearer when news alerts are summaries generated by Apple’s AI system.