Group 1 - Tianyue Advanced (02631) saw its stock rise over 4% in the afternoon, currently trading at 44.6 HKD with a transaction volume of 1.08 million HKD [1] - On August 22, Tianyue Advanced reached a basic agreement with Toshiba Electronic Components and Storage Devices Corporation to collaborate on the development and manufacturing of SiC power semiconductor substrates [1] - The collaboration will focus on technical cooperation to enhance the characteristics and quality of SiC power semiconductors, as well as commercial cooperation to expand the supply of high-quality stable substrates [1] Group 2 - Toshiba is accelerating the development of SiC devices for server power supplies and automotive applications, aiming to reduce losses in SiC power semiconductors and develop high-reliability, high-efficiency products for efficient power conversion [1] - The partnership with Tianyue Advanced, a global leader in SiC substrate development and mass production technology, is expected to provide optimal solutions for various application scenarios and accelerate business expansion [1]