RoboTechnik(SZ:300757) Xin Lang Cai Jing·2025-10-14 07:03Group 1 - The core point of the news is that Robotech has experienced a significant decline in its stock price, dropping 5.08% on October 14, with a total market value of 37.05 billion yuan and a cumulative drop of 20.46% over six consecutive days [1] - Robotech specializes in high-end automation equipment and intelligent manufacturing execution system software based on industrial internet technology, with its main business revenue composition being 76.31% from photovoltaic equipment, 19.65% from semiconductor equipment, and 4.04% from other sources [1] Group 2 - Southern Fund's Southern CSI 500 ETF has entered the top ten circulating shareholders of Robotech, holding 1.51 million shares, which is 1.02% of the circulating shares, resulting in a floating loss of approximately 17.87 million yuan today and a total floating loss of 90.49 million yuan during the six-day decline [2] - The Southern CSI 500 ETF has a total scale of 113.44 billion yuan, with a year-to-date return of 30.65% and a one-year return of 36.69%, ranking 1692 out of 4220 and 1536 out of 3857 respectively [2] Group 3 - The fund manager of Southern CSI 500 ETF is Luo Wenjie, who has a total management tenure of 12 years and 179 days, with the fund's total asset scale at 138.99 billion yuan and a best return of 153.6% during his tenure [3]