China Stock of the Day | Kabutaro & Friends

On August 4, 2026, the Chinese stock most talked about online was WuXi AppTec<603259> (A-shares).
Background: The company's H1 2026 earnings, released after market close on August 3, far exceeded expectations, with revenue of RMB 28.897 billion (up 38.93% year-on-year) and net profit of RMB 11.08 billion (up 29.43%), marking the first time first-half net profit surpassed RMB 10 billion. Gross margin reached a record 53.9% for the period, and the company sharply raised its full-year 2026 guidance. A-shares hit the daily 10% limit-up to close at RMB 141.35 (highest since October 2021), while H-shares in Hong Kong rose 11.17% to HKD 181.1 (highest since July 2021), pushing A-share market capitalization to RMB 421.754 billion.
The surge lifted the broader CXO (contract research, development and manufacturing) sector across both A-shares and H-shares, with Asymchem hitting limit-up in A-shares and Pharmaron and others rising over 13%, making the earnings report and stock rally a central topic of online discussion for both the stock and the sector.