The collective strength of the Science and Technology Innovation 50 ETFs, as of the time of this writing, PP Science and Technology Innovation 50 (03151) rose by 2.83% to HK$12.73; Southern Science and Technology Board 50 (03109) rose by 2.75% to HK$17.53; and Boshi Science and Technology Innovation 50 (02832) rose by 2.4% to HK$13.2. On the news front, as of May 20th, the Science and Technology Innovation 50 Index saw its afternoon gains expand by over 3%, reaching a new historical high. According to the official website of the China Securities Regulatory Commission on May 19th, Citic Securities and Citic Jiantou have released the counseling filing report for the first public offering of shares and listing of Yangtze Memory Technologies. Earlier, YMTC had updated its prospectus for listing on the Science and Technology Innovation Board, re-entering the listing review process. Guosheng Securities believes that the AI wave is driving a high boom in the memory industry, and the expansion of storage capacity is expected to accelerate significantly. Zheng Xiaoxi, a fund manager at Southern Fund, expressed the view that they firmly believe in the theme of semiconductors' self-controllability. The reasons are: firstly, the global semiconductor industry is in an upswing cycle, with continuous high demand driven by AI; secondly, downstream applications are blossoming, with AI agents, humanoid robots, edge AI, etc., continuously driving upstream infrastructure investment; thirdly, domestic storage chip prices are rising, and the expansion of leading storage companies has become an important event-driven factor in the industry, with optimistic capital expenditure trends.