Biotechnology Shares of US drug developer Sutro Biopharma were up more than 8% at $15.77 by mid-morning, after the company announced an exclusive license agreement with Tasly Biopharmaceuticals, a holding subsidiary of Tasly Pharmaceutical Group, for the development and commercialization of STRO-002 in Greater China, consisting of mainland China, Hong Kong, Macau and Taiwan. 28 December 2021