KAIFA(SZ:000021) Xin Lang Cai Jing·2025-09-22 02:35Group 1 - The core point of the news is the performance of Shenzhen Technology Co., Ltd. (深科技), which saw a stock price increase of 5.27% to 23.38 CNY per share, with a trading volume of 1.244 billion CNY and a turnover rate of 3.48%, resulting in a total market capitalization of 36.643 billion CNY [1] - Shenzhen Technology's main business segments include high-end manufacturing (50.52% of revenue), storage semiconductor business (27.13%), and metering intelligent terminals (21.70%), with other segments contributing 0.66% [1] Group 2 - Among the top shareholders of Shenzhen Technology, the Southern Fund's Southern CSI 500 ETF (510500) increased its holdings by 4.121 million shares in the second quarter, bringing its total to 16.1685 million shares, which represents 1.03% of the circulating shares [2] - The Southern CSI 500 ETF has a total asset size of 113.438 billion CNY and has achieved a year-to-date return of 26.92%, ranking 1815 out of 4222 in its category, with a one-year return of 60.73%, ranking 1500 out of 3813 [2]