BANGALORE, June 13 (Reuters) - Shares of biotechnology firm Maxygen Inc slid as much as 30 percent after news that it could face a legal patent battle with sector leader Amgen Inc over its lead cancer drug.
BANGALORE, June 13 (Reuters) - Shares of biotechnology firm Maxygen Inc slid as much as 30 percent after news that it could face a legal patent battle with sector leader Amgen Inc over its lead cancer drug.