Nvidia said the chip was restricted by the United States, and it is expected to lose $5.50 billion in the first quarter

According to Bloomberg, Nvidia disclosed in regulatory filings that the US government had informed the company that future exports of its H20 chip, designed in response to previous export restrictions, would require a licence to some countries, and that the requirement would be valid "indefinitely".
Affected by this, Nvidia is expected to record a related loss of about $5.50 billion in the fiscal quarter, involving inventory, purchase commitments and related reserves. Affected by the news, Nvidia's share price fell by about 5% after hours.