Southern science and technology innovation board 50 (03109) rose more than 4%. It is reported that the Southern science and technology innovation board 50 is the first ETF listed on the Hong Kong Stock Exchange that tracks the science and technology innovation board 50 index. The top ten weighted stocks of the Sci-Tech Innovation 50 include SMIC, Cambricon, HLJ Technology, Kingsoft Office, and ZW Micro. As of the time of drafting, it rose by 4.17% to HK$14.99, with a turnover of HK$3,999.93 million. On the news front, on the morning of April 30th, the concept of computing power chips surged, with Cambricon rising by more than 17% to reach a record high, regaining the "stock king" throne. The company achieved operating income of 2.885 billion yuan in the first quarter, a year-on-year increase of 159.56%; the net profit attributable to the shareholders of the listed company was 1.013 billion yuan, a year-on-year increase of 185.04%. The performance change was mainly attributed to the continuous increase in the demand for computing power in the artificial intelligence industry during the reporting period. The company continued to expand its market with excellent product competitiveness, actively promoting the implementation of artificial intelligence application scenarios, leading to a substantial increase in revenue compared to the same period last year.