Biotech indexes end week on high note

Biotech indexes ended the week up 5-7%, outpacing the broader market, after closing last week down double digits.

After rallying Wednesday, the NASDAQ Biotechnology Index (NBI), NYSE Arca Biotechnology Index (BTK) and BioCentury 100 each ended the week up 5%, while the SPDR S&P Biotech ETF (XBI) added 7%...