After Nvidia announced its earnings, Duan Yongping said: "Although I don't fully understand NVDA (Nvidia), I am still ready to start selling some NVDA puts. AI is worth paying attention to, and NVDA is actually a very good company." Nvidia's revenue slowed in the fourth quarter but still hit a new high. Blackwell generated revenue of 11 billion, and Q1 guidance was better than expected. Huang Renxun said that Blackwell chip sales in the first quarter had reached billions of dollars.