Hong Kong stocks are fluctuating | Hooyu-B(02256.HK) surges over 4% in the afternoon, the company has recently been continuously buying back its shares, and Pitimatinib is expected to submit a global NDA soon.

According to the "Securities Times" APP, Hang Yu-B (02256.HK) surged more than 4% in late trading, as of the time of writing, it rose 3.78% to 8.24 Hong Kong dollars, with a turnover of 232.68 million Hong Kong dollars.