Why Shares of Zai Lab Are Dropping Wednesday
Shares of Zai Lab (NASDAQ: ZLAB) were down more than 13% Wednesday morning, a day after the biotech company reported phase 3 trials for an oncology therapy it is developing with NovoCure. Zai Lab's stock is down more than 5% so far this year. Zai Lab said that its tumor treating fields (TTFields) therapy, which uses skin patches to deliver electric fields to areas of the body, when used with standard therapies, met its primary endpoint of three-month improvement in median overall survival (OS) in metastatic non-small cell lung cancer (NSCLC) patients.