This monthly article provides a top-down analysis of the materials sector based on value, quality, and momentum metrics. It may also help analyze sector ETFs such as the State Street® Materials Select Sector SPDR® ETF ( XLB ) and iShares U.S. BasicFred Piard, PhD. is a quantitative analyst and IT professional with over 30 years of experience working in technology. He is the author of three books and has been investing in data-driven systematic strategies since 2010. Fred runs the investing group Quantitativ ...