1月29日，鼎龙股份跌5.04%，截至发稿，报44.27元/股，成交8.52亿元，换手率2.55%，总市值419.39亿 元。 资料显示，湖北鼎龙控股股份有限公司位于湖北省武汉市经济技术开发区东荆河路1号，成立日期2000 年7月11日，上市日期2010年2月11日，公司主营业务涉及打印复印通用耗材业务和光电半导体工艺材料 业务。主营业务收入构成为：半导体材料、芯片及打印复印通用耗材产品99.47%，其他0.53%。 南方中证500ETF（510500）基金经理为罗文杰。 截至发稿，罗文杰累计任职时间12年286天，现任基金资产总规模1713.58亿元，任职期间最佳基金回报 192.55%， 任职期间最差基金回报-47.6%。 声明：市场有风险，投资需谨慎。 本文基于第三方数据库自动发布，不代表新浪财经观点，任何在本 文出现的信息均只作为参考，不构成个人投资建议。如有出入请以实际公告为准。如有疑问，请联系 biz@staff.sina.com.cn。 责任编辑：小浪快报 从鼎龙股份十大流通股东角度 数据显示，南方基金旗下1只基金位居鼎龙股份十大流通股东。南方中证500ETF（510500）三季度减持 15.8 ...

Group 1 - The core point of the news is that Dinglong Co., Ltd. has experienced a decline in stock price, with a drop of 1.41% on August 27, bringing the stock price to 30.73 yuan per share and a total market capitalization of 29.026 billion yuan [1] - The company has seen a cumulative decline of 5.48% over the past three days, indicating a negative trend in its stock performance [1] - Dinglong Co., Ltd. was established on July 11, 2000, and listed on February 11, 2010, with its main business involving general printing and copying consumables and optoelectronic semiconductor process materials [1] Group 2 - According to the top ten circulating shareholders, a fund under Southern Fund has increased its holdings in Dinglong Co., Ltd. by 1.4325 million shares in the second quarter, now holding 11.1006 million shares, which accounts for 1.51% of the circulating shares [2] - The Southern CSI 500 ETF (510500) has incurred a floating loss of approximately 4.8842 million yuan today, with a total floating loss of 19.759 million yuan during the three-day decline [2] - The Southern CSI 500 ETF was established on February 6, 2013, and has achieved a return of 23.25% this year, ranking 1825 out of 4222 in its category [2]