Here's Why Puma Biotechnology Tumbled on Monday

Here's Why Puma Biotechnology Tumbled on Monday

Source: 
Motley Fool
snippet: 

Shares of Puma Biotechnology (NASDAQ: PBYI), a biopharmaceutical company marketing one cancer drug, fell 12.3% in mid-day trading on Monday after the company announced a new marketing partnership. Investors unimpressed by the terms pushed the stock 8.1% lower to end the session.