Nvidia shares plunge more than 5%. Nvidia shares fell more than 5% today. This comes after the company announced that the US government had imposed new restrictions on the company's chips. The US government required the company to obtain licenses to export the H20 chip to China, which resulted in costs rising to $5.5 billion. Investors are awaiting Jerome Powell's speech today to determine the impact of tariffs on the central bank's forecasts.
