China Stock of the Day | Kabutaro & Friends

CXMT<688825>, China's largest DRAM maker, was the Chinese stock most talked about online on September 3, 2026.
Background: The stock was bought up in the afternoon session and closed 2.26% higher at RMB 55.55, giving it a market capitalization of RMB 3.77 trillion. Turnover was RMB 11.163 billion, second in the A-share market behind Innolight's RMB 17.691 billion. The catalyst was the August 29 announcement by Changxin Memory that its LPDDR6 had entered full mass production, with a peak rate of 12,800 Mbps and a maximum capacity of 16GB, described as the world's first commercial deployment of an LPDDR6 product. It will debut in the Xiaomi 18 Fold foldable handset due to be unveiled in September. Xiaomi's in-house XRing O3 chip became the world's first processor to support LPDDR6, and Lei Jun offered his congratulations, saying this is only the beginning. Across the A-share market that day, the Shanghai Composite rose 0.02% and the ChiNext Index rose 0.01% on turnover of RMB 1.76 trillion, while more than 3,500 stocks declined.