广和通连跌5天，南方基金旗下1只基金位列前十大股东

Group 1 - Guanghetong Wireless Co., Ltd. has experienced a decline in stock price, with a cumulative drop of -8.34% over five consecutive trading days [1] - The company, founded in 1999, is recognized as the first listed wireless communication module enterprise in China, with stock code 300638 [1] - Southern Fund's Southern CSI 1000 ETF is among the top ten shareholders of Guanghetong, having reduced its holdings in the first quarter of this year [1] Group 2 - The Southern CSI 1000 ETF has achieved a year-to-date return of 7.12%, ranking 890 out of 3426 in its category [2] - The fund's performance over various periods includes a quarterly increase of 3.21% and a three-month increase of 16.02% [2] - The fund manager, Cui Lei, has extensive experience in fund management and has been with Southern Fund since February 2015 [4][5]