Tuesday Sector Leaders: Materials, Healthcare

In afternoon trading on Tuesday, Materials stocks are the best performing sector, higher by 0.6%. Within the sector, Martin Marietta Materials, Inc. (NYSE: MLM) and Owens-Illinois, Inc. (NYSE: OI) are two large stocks leading the way, showing a gain of 9.1% and 8.4%, respectively. Among the high volume ETFs, one ETF closely following materials stocks is the Materials Select Sector SPDR ETF (AMEX: XLB), which is up 0.7% on the day, and down 8.28% year-to-date. Martin Marietta Materials, Inc., mea...