Agios Crashes 21% After A Surprise Side Effect Hammered Its 'Very Safe' Drug

Agios Crashes 21% After A Surprise Side Effect Hammered Its 'Very Safe' Drug

Source: 
Investors Business Daily
snippet: 

Shares of Agios Pharmaceuticals (AGIO) collapsed Monday on an unexpected side effect related to the company's thalassemia treatment, mitapivat.