澄天伟业拟定增募资8亿元加码热门赛道，此前实控人及一致行动人完成大额减持

Group 1 - The core point of the article is that Cheng Tian Wei Ye (300689), a stock that has increased sixfold, has announced a plan to raise 800 million yuan through a private placement, while its actual controller and related parties have reduced their holdings by nearly 6% in the past six months [1] - The company plans to invest the raised funds into popular technology sectors such as liquid cooling and semiconductors [1] - Cheng Tian Wei Ye was listed on the ChiNext board in 2017, and its main business includes the production, sales, and services of smart cards and specialized chips [1] Group 2 - The actual controller of the company is Feng Xueyu, and the company is involved in trending concepts like liquid cooling servers, chips, and semiconductors [1]