Biotechnology stocks ($DJUSBT) were the second best performing industry group last week, trailing on renewable energy ($DWCREE). Both groups appear poised to continue their rally based on their longer-term weekly technical outlook. Therefore, it’s probably not a bad idea to look at stocks in these groups that pull back to find critical price support levels from where they’re likely to continue their push higher. Bluebird Bio (BLUE) had a rough Friday (-5.49%) after a huge advance 60% advance over the three prior weeks.