Group 1 - Shanghai Port Bay has experienced a decline for four consecutive trading days, with a cumulative drop of -11.48% [1] - Shanghai Port Bay Infrastructure (Group) Co., Ltd. specializes in providing customized geotechnical engineering comprehensive services, including surveying, design, construction, and monitoring for global clients [1] - E Fund's Emerging Growth Flexible Allocation Fund has entered the top ten shareholders of Shanghai Port Bay, marking a new investment in the first quarter of this year, with a year-to-date return of 37.48%, ranking 208 out of 2282 in its category [1] Group 2 - The fund manager of E Fund's Emerging Growth Flexible Allocation is Cai Rongcheng, who holds a master's degree in finance and has served in various roles within E Fund, including assistant fund manager and industry researcher [2][3] - E Fund was established in April 2001 and has a total of 11 shareholders, with significant stakes held by Yingfeng Group Co., Ltd., Guangdong Yuecai Trust Co., Ltd., and GF Securities Co., Ltd., each holding 22.65% [3]