China's A-share market opened lower, with the Shanghai Composite down 0.96%, the Shenzhen Component falling 2.09% and the ChiNext Index sliding 2.7%. Against that backdrop, Yushu Technology made its official debut on the Sci-Tech Innovation Board, where N Yushu surged 629.44% to 1,100 yuan from an issue price of 150.80 yuan per share. The opening price implied a total market value of 444.9 billion yuan. Based on the issue price, one lot would yield a paper gain of 474,600 yuan. Astrend IV, an affiliate of Shunwei Capital founded by Lei Jun, held 16.106 million shares, giving it an unrealized gain of more than 15.2 billion yuan at the debut price.