图南股份股价跌5.03%，长盛基金旗下1只基金重仓，持有37.63万股浮亏损失69.24万元

Group 1 - The core point of the news is that Tunan Co., Ltd. experienced a decline of 5.03% in its stock price, reaching 34.75 yuan per share, with a trading volume of 1.08 billion yuan and a turnover rate of 1.04%, resulting in a total market capitalization of 13.745 billion yuan [1] - Tunan Co., Ltd. specializes in the research, production, and sales of high-performance alloy materials, including high-temperature alloys and special stainless steels, with its main business revenue composition being: 46.24% from deformed high-temperature alloys, 28.17% from cast high-temperature alloys, 10.63% from other alloy products, 8.31% from other business revenues, 5.23% from special stainless steels, and 1.42% from small and medium-sized components [1] Group 2 - Longsheng Fund has a significant holding in Tunan Co., Ltd., with its Longsheng Aerospace Marine Mixed A Fund (000535) increasing its stake by 143,000 shares in the third quarter, bringing the total to 376,300 shares, which accounts for 4.48% of the fund's net value, making it the fourth-largest holding [2] - The Longsheng Aerospace Marine Mixed A Fund (000535) has a current scale of 155 million yuan and has achieved a return of 16.08% this year, ranking 225 out of 8,836 in its category, while its one-year return is 70.95%, ranking 923 out of 8,091 [2]