Group 1 - The core point of the news is that Longking Environmental Protection Co., Ltd. has experienced a decline in stock price, dropping 1.52% to 15.56 CNY per share, with a total market value of 19.762 billion CNY and a cumulative decline of 6.1% over the past five days [1] - Longking Environmental Protection was established on February 23, 1998, and listed on December 29, 2000. The company specializes in dust removal, desulfurization, denitrification, material transportation, desulfurization operation, and power plant engineering contracting [1] - The revenue composition of Longking Environmental Protection includes 64.93% from environmental equipment manufacturing, 24.59% from new energy business, 7.34% from project operation income, 2.27% from other sources, and 0.87% from soil remediation [1] Group 2 - From the perspective of fund holdings, the Southern Fund has a significant position in Longking Environmental Protection, with the Southern CSI Yangtze River Protection Theme ETF holding 2.11% of its net value in the stock, ranking as the ninth largest holding [2] - The Southern CSI Yangtze River Protection Theme ETF has a current scale of 1.697 billion CNY and has reported a year-to-date return of 4.23%, ranking 2873 out of 5520 in its category [2] - The fund has experienced a floating loss of approximately 239.6 thousand CNY during the five-day decline period [2]