Visit the full analysis for the latest explanation of Materials Select Sector SPDR Fund's stock movement.
XLB is a sector ETF that tracks the S&P 500 Materials sector, holding major chemical, mining, packaging, and construction materials companies like Linde, Sherwin-Williams, and Freeport-McMoRan. It is one of the most widely traded vehicles for gaining or hedging exposure to the materials industry. After rallying over 20% recently, the fund now faces profit-taking pressure following analyst warnings that the sector had become overextended.