Nvidia NVDA stock price recorded sustained gains after strong institutional buying. Portfolio managers cite AI infrastructure spending growth as a primary catalyst for potential multiple expansion in NVDA’s valuation metrics. Keithen Drury has positions in Nvidia. The Motley Fool has positions in and recommends Nvidia. The Motley Fool has a disclosure policy . After the chip maker NVDA announced a $100 billion investment in AI startup OpenAI last month, Cantor’s C.J. Muse and his team said in a Friday note that the move signals Nvidia “is solidifying its position as the de facto AI infrastructure company, quarterbacking the robust AI industry buildout that is in its infancy today.” Recent moves in the Nvidia NVDA stock price were closely tied to sector-wide rallies in technology equities. Analysts maintain overweight ratings due to NVDA's leadership in GPU innovation and strong supply chain execution.