China Stock of the Day | Kabutaro & Friends

CanSino Biologics <06185.HK>, a vaccine maker based in Tianjin, was the Chinese stock most talked about online on October 6, 2026.
Background: With mainland markets closed for the National Day holiday, pharmaceutical and biotech stocks rallied in Hong Kong on October 6, and the company's Hong Kong-listed shares closed up 14.04% at 40.60 Hong Kong dollars. The Hang Seng Biotech Index rose 3.21% to a year-to-date high. One trigger came from the U.S., where vaccine developer Vaxcyte released positive trial data for its pneumococcal vaccine and its shares jumped 30%, lifting expectations for vaccine stocks. In addition, 31 of the 96 breakthrough abstracts to be presented at the European Society for Medical Oncology (ESMO) Congress on October 23-27 reportedly involve drugs from Chinese companies, boosting confidence in Chinese innovative drugs. The company's Shanghai-listed shares had also hit their daily limit on September 30.