3 Biotech ETF Winners From 2014's Best Performing Sector By: TalkMarkets January 07, 2015 at 04:04 AM EST The NASDAQ Biotechnology index delivered a stellar 34% return in 2014 – emerging as the biggest winner among all the sectors. Read More >> Related Stocks: Biotechnology Index NYSE ETF S&P Biotech SPDR Standard & Poors 500