OPTOWIDE(SH:688195) Xin Lang Cai Jing·2025-10-28 02:03Group 1 - The core viewpoint of the news is that Tengjing Technology has experienced a significant stock price increase, rising 5.75% on October 28, with a total market capitalization of 16.258 billion yuan and a cumulative increase of 24.57% over the past seven days [1] - Tengjing Technology specializes in the research, production, and sales of precision optical components and fiber optic devices, with its main business revenue composition being 78.87% from precision optical components, 16.65% from fiber optic devices, and 4.43% from optical testing instruments [1] - The stock has seen a trading volume of 3.77 billion yuan and a turnover rate of 2.39% on the reporting date [1] Group 2 - Tianzhi Fund has a significant holding in Tengjing Technology, with the Tianzhi China Manufacturing 2025 Mixed Fund (350005) holding 3,100 shares, representing 2.36% of the fund's net value, ranking as the ninth largest holding [2] - The fund has generated a floating profit of approximately 21,200 yuan today and a total of 72,700 yuan during the seven-day increase [2] - The Tianzhi China Manufacturing 2025 Mixed Fund has a total scale of 15.5074 million yuan and has achieved a year-to-date return of 22.16% [2]