Natco Pharma surges on favourable U.S. court ruling

Shares in Natco Pharma surged 6 percent after prospects for its generic version for Teva Pharmaceutical Industries'billion dollar drug got a boost from a favourable U.S. court ruling on Wednesday. A U.S. Supreme Court justice on Wednesday declined a request from Teva for a stay of an appeals court ruling that would strip the company's $4 billion-a-year multiple sclerosis drug Copaxone of patent protection in 2014, rather than in...