Celegene

Short interest changes in biotech stocks were mixed during the most recent period. Baxalta Inc (NYSE: BXLT) and Juno Therapeutics Inc (NASDAQ: JUNO) saw short interest surges in late September. Short interest in Medivation Inc (NASDAQ: MDVN) plunged during that time. With the ongoing market...

The great biotechnology sell-off of 2014 began on February 26 and started as big sell-offs often do: quietly. The SPDR S&P Biotechnology exchange-traded fund (NYSE: XBI) peaked at $172.52 and closed at $170.01, off 40 cents from the day before. The next day, the ETF finished at a record...