Chinese biotechs listed in the US have a watershed day, with many shares nosediving by over 10% amid leadership changes in China, where the retirement of several economic pragmatists appears to be adding to souring investment sentiment amid views on rising uncertainties and risks.

Both Nasdaq- and Hong Kong-listed shares in Chinese health-related companies have been free falling with heavy volumes, after foreign investors spooked by China's general crackdown on the tech sector rushed to exit. The two-day sell-off shows high uncertainty and investors' anxiety over the regulatory overreach but underlying fundamentals still seem strong.

Venus Medtech has agreed a licensing deal with Endoluminal Sciences, an Australian start-up with technology to prevent paravalvular leakage and improve TAVR outcomes.

Also, deals involving Sumitomo Dainippon, Tolero, Boston Biomedical, Zai Lab, Turning Point, SciClone, EpicentRx, Yuhan, GI Innovation, Takeda, Carmine, HitGen, Morphic, CStone and Burning Rock.