Group 1 - The core point of the news is that Tiantong Co., Ltd. experienced a 5.01% drop in stock price, closing at 10.23 yuan per share, with a trading volume of 464 million yuan and a turnover rate of 3.64%, resulting in a total market capitalization of 12.618 billion yuan [1] - Tiantong Co., Ltd. is located in Haining Economic Development Zone, Zhejiang Province, and was established on February 10, 1999. It was listed on January 18, 2001. The company's main business includes the research, manufacturing, and sales of electronic materials (including magnetic materials, sapphire, piezoelectric crystals, etc.) and high-end equipment [1] - The revenue composition of Tiantong Co., Ltd. is as follows: 86.57% from electronic materials sales, 9.38% from specialized equipment manufacturing and installation services, and 4.05% from material sales and others [1] Group 2 - According to data from the top ten heavy stocks of funds, one fund under Shenwan Hongyuan holds a significant position in Tiantong Co., Ltd. The Shenwan Hongyuan Quantitative Small Cap Stock (LOF) A (163110) held 394,100 shares in the second quarter, accounting for 0.43% of the fund's net value, making it the sixth-largest heavy stock [2] - The estimated floating loss for the fund today is approximately 212,800 yuan [2] - The Shenwan Hongyuan Quantitative Small Cap Stock (LOF) A (163110) was established on June 16, 2011, with a current scale of 493 million yuan. Year-to-date returns are 27.35%, ranking 2105 out of 4218 in its category; the one-year return is 31.27%, ranking 1481 out of 3878; and since inception, the return is 305.04% [2]

Group 1 - The core point of the article highlights the decline in Tian Tong Co., Ltd.'s stock price by 5.11%, with the current share price at 10.22 yuan, a trading volume of 641 million yuan, and a total market capitalization of 12.606 billion yuan [1] - Tian Tong Co., Ltd. is primarily engaged in the research, manufacturing, and sales of electronic materials, which account for 86.57% of its main business revenue, along with specialized equipment manufacturing and installation services at 9.38%, and other material sales at 4.05% [1] - The company is located in Haining Economic Development Zone, Zhejiang Province, and was established on February 10, 1999, with its listing date on January 18, 2001 [1] Group 2 - Among the top ten circulating shareholders of Tian Tong Co., Ltd., a fund under Southern Fund, the Southern CSI 1000 ETF (512100), increased its holdings by 2.1477 million shares in the second quarter, now holding 11.3922 million shares, which is 0.92% of the circulating shares [2] - The Southern CSI 1000 ETF (512100) has a current scale of 64.953 billion yuan, with a year-to-date return of 27.62% and a one-year return of 40.32% [2] - The fund manager, Cui Lei, has been in position for 6 years and 343 days, with the fund's total asset scale at 94.976 billion yuan, achieving a best return of 177.68% during the tenure [3]