Nvidia reported a stellar first quarter with revenue and profit exceeding forecasts, driven by strong global demand for its AI infrastructure.The company's stock surged by around 6% in extended trading following the announcement, reaching its highest point in four months.Nvidia posted adjusted earnings per share of 96 cents on revenue of $44.06 billion, exceeding analyst expectations.Despite facing tariff uncertainties and export restrictions, Nvidia plans to increase manufacturing in the U.S. and remains dominant in the AI sector.