Tuesday Sector Leaders: Healthcare, Services

In afternoon trading on Tuesday, Healthcare stocks are the best performing sector, higher by 0.6%. Within the sector, Mylan NV (NASD: MYL) and Vertex Pharmaceuticals, Inc. (NASD: VRTX) are two large stocks leading the way, showing a gain of 8.1% and 5.6%, respectively. Among healthcare ETFs, one ETF following the sector is the Health Care Select Sector SPDR ETF (AMEX: XLV), which is up 0.6% on the day, and up 8.79% year-to-date. Mylan NV, meanwhile, is up 30.53% year-to-date, and Vertex Pharmace...