Forget the “Magnificent Seven.” The new hot club for tech stocks could be “MnM.”That’s the view of Raymond James analyst Josh Beck, who said that Meta’s META, +1.19% latest results put it in an elite camp with Microsoft Corp. MSFT, +1.56% and Nvidia Corp. NVDA, +2.44% as Big Tech’s leaders in the artificial-intelligence era. Nvidia has proven itself the backbone of the AI frenzy as the company struggles to keep up with surging demand for its hardware that can power AI models. And Microsoft is seeing AI bene ...