$IBB $XBI $LABD $LABU One upcoming key event for the sector: FDA decision by next Monday on Biogen $BIIB Alzheimer's Drug. Approval would lead to strong rally of $BIIB and the biotech sector. Rejection would plummet BIIB but for the sector, maybe some brief dips, followed by recovery and uptrend. 1, Sector has been declining in the past quarter pricing in a large part of risk. Decision means uncertainty resolved, sth market likes. 2, Rejection will lead to "a flurry of acquisitions or mergers" gurufocus.com/news/1446009/...