Apple Faces Calls to Reboot AI Strategy With Shares Slumping

Apple Inc. is facing pressure to shake up its corporate playbook to invigorate its struggling artificial intelligence efforts.

Alarmed by a share slump that’s erased more than $640 billion in market value this year and frustrated with delays in rolling out AI features, investors are calling for Apple to break with long-standing traditions to make a big acquisition and more aggressively pursue talent.