ECT(SZ:300679) Xin Lang Cai Jing·2025-10-17 07:19Group 1 - The core viewpoint of the news is that Dalian Technology has experienced a significant decline in stock price, dropping 3.56% to 48.18 CNY per share, with a total market capitalization of 20.468 billion CNY and a cumulative decline of 18.16% over the past five days [1] - Dalian Technology, established on November 20, 2006, and listed on July 31, 2017, specializes in micro-connectors and interconnection systems, with its main business revenue composition being: automotive connectors 32.14%, RF connectors and cable assemblies 18.52%, electromagnetic compatibility components 17.75%, flexible boards 16.28%, and others 15.32% [1] Group 2 - From the perspective of the top ten circulating shareholders, Southern Fund's Southern CSI 500 ETF (510500) entered the top ten shareholders in the second quarter, holding 4.3987 million shares, accounting for 1.23% of circulating shares, with a floating loss of approximately 7.8298 million CNY today and a cumulative floating loss of 47.0225 million CNY during the five-day decline [2] - The Southern CSI 500 ETF (510500) was established on February 6, 2013, with a latest scale of 113.438 billion CNY, achieving a year-to-date return of 28.06% and a one-year return of 34.2% [2]