Nvidia (NVDA) CEO Jensen Huang thinks the technology giant and the U.S. have a China problem. He lamented on the B2G podcast that the Asian country was only "nanoseconds behind" U.S. chipmakers when it comes to building hardware crucial to cashing in on the AI boom. Yes, Nvidia dominates AI, but growth has slowed and Nvidia stock has had an uneven ride. Now comes a bigger challenge: Beijing appears to be squeezing Nvidia even more, as Chinese companies look to challenge the U.S. behemoth on the AI front. Th ...