耐普矿机股价跌5.05%，长江资管旗下1只基金重仓，持有77.98万股浮亏损失115.4万元

Group 1 - The core point of the news is that Nepco Mining Machinery's stock price has dropped by 5.05% to 27.81 CNY per share, with a trading volume of 498 million CNY and a turnover rate of 15.60%, resulting in a total market capitalization of 4.694 billion CNY [1] - Nepco Mining Machinery, established on October 14, 2005, and listed on February 12, 2020, is primarily engaged in the research, production, sales, and service of heavy mining equipment and wear-resistant parts [1] - The company's main business revenue composition includes: 71.25% from rubber wear parts, 14.05% from metal parts, 10.44% from mineral processing equipment, 3.69% from mining pipelines, and 0.57% from other sources [1] Group 2 - According to data, Changjiang Asset Management has a fund that heavily invests in Nepco Mining Machinery, specifically the Changjiang Intelligent Manufacturing Mixed Fund A (014339), which held 779,800 shares, accounting for 3.05% of the fund's net value, ranking as the ninth largest holding [2] - The fund has experienced a floating loss of approximately 1.154 million CNY today [2] - The Changjiang Intelligent Manufacturing Mixed Fund A was established on December 29, 2021, with a current scale of 357 million CNY, and has achieved a year-to-date return of 24.1%, ranking 4034 out of 8171 in its category [2]