Biotech stocks are having a big day Friday, helping to almost erase the sector's under-performance in the fourth quarter.
Take a look at where we stand:
Why the big rebound? Biogen Idec (BIIB) and Gilead Sciences (GILD) are certainly helping. Both received positive news from European regulators Friday, which seems to have triggered another round of buying.
ARIA data by YCharts
-- Reported by Adam Feuerstein in Boston.
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