When it comes to the elite group of AI stocks known as the Magnificent 7, the winners are pretty well-established. You have Alphabet , which has established itself as the latest and greatest contender , and has the recent stock returns to back it up. There's also Nvidia , which has maintained its spot as king chipmaker. But what about the worst performer? Apple has struggled for a while with the perception that it's lagging on AI, and is spending its way into relevance through partnerships.