Worst Performing Industries For August 21, 2015

The Dow fell 1.31 percent to 16,768.14, while the NASDAQ composite index declined 1.62 percent to 4,798.62. The broader Standard & Poor's 500 index declined 1.39 percent to 2,007.43. The worst performing industries in the market today are: Specialty Eateries: This industry declined 3.2 percent by 11:00 am with Potbelly Corp PBPB moving down 4 percent. Potbelly shares have dropped 7.82 percent over the past 52 weeks, while the S&P 500 index has gained 2.38 percent in the same period. Cement: The industry dropped 2.8 percent by 11:00 am. The worst performer in this industry was Cemex SAB de CV (ADR) CX, which declined 3.8 percent. Cemex's trailing-twelve-month ROE is -2.14 percent. Building Materials Wholesale: This industry tumbled 2.2 percent by 11:00 am. The worst stock within the industry was Louisiana-Pacific Corporation LPX, which fell 2.2 percent. Louisiana-Pacific's trailing-twelve-month profit margin is -6.06 percent. Meat Products: This industry fell 2.1 percent by 11:00 am ET. Bridgford Foods Corporation BRID shares dropped 8.3 percent in today's trading.