Momentum, Thy Name Is Healthcare? By: TalkMarkets December 20, 2014 at 20:39 PM EST Healthcare, the best performing sector in the market this year, is now the top weighting in the largest momentum ETF. Read More >> Related Stocks: Amgen Celgene Corp Edwards Lifesciences Gilead Sciences Illumina Inc Intuitive Surgical Johnson & Johnson S&P Biotech SPDR USA Momentum Factor Ishares Edge MSCI ETF UnitedHealth Group