The strength of the Nvidia-fueled (NVDA) market rally momentarily eased concerns about the Federal Reserve's interest rate outlook. Has growth been too concentrated in the Magnificent Seven tech stocks this earnings season? Girard CIO Timothy Chubb joins Yahoo Finance Live to discuss the growth centralized within the Magnificent Seven components. "We certainly are in the early stages of the AI revolution. It's really exciting, and there's certainly no substitutes... valid substitutes anyway for what they do," Chubb states. "But as you mentioned, there is quite a bit of concentration amongst their [Nvidia] customer base of other Magnificent Seven companies. Microsoft for two or three quarters has been about 20% of sales and, I think, overall as we head into the rest of this year, it's such a difficult company to value." For more expert insight and the latest market action, click here to watch this full episode of Yahoo Finance Live. Editor's note: This article was written by Luke Carberry Mogan.

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