Friday Sector Laggards: Materials, Technology & Communications By: Market News Video September 17, 2021 at 14:31 PM EDT In afternoon trading on Friday, Materials stocks are the worst performing sector, showing a 2.1% loss. Within that group, Nucor Corp.. Read More >> Related Stocks: International Flavors & Fragrances, Inc. Ipg Photonics Corp MATERIALS Nucor Corp Qualcomm, Inc.