Worst Performing Industries For November 26, 2014

The Dow dropped 0.03% to 17,809.57, while the NASDAQ composite index rose 0.28% to 4,771.74. The broader Standard & Poor's 500 index gained 0.11% to 2,069.23. The worst performing industries in the market today are:

The industry dropped 2.79% by 11:00 am. The worst performer in this industry was Louisiana-Pacific

, which declined 3%. RBC Capital downgraded Louisiana-Pacific from Sector Perform to Underperform.

This industry fell 1.63% by 11:00 am ET. Fortuna Silver Mines

shares dropped 5.7% in today's trading. Silver futures gained 0.11% to trade at $16.63 an ounce.

This industry tumbled 1.02% by 11:00 am. The worst stock within the industry was Build-A-Bear Workshop

, which fell 0.9%. Build-A-Bear shares have jumped 123.83% over the past 52 weeks, while the S&P 500 index has gained 14.38% in the same period.

This industry declined 0.79% by 11:00 am with iRobot

moving down 1.3%. iRobot's trailing-twelve-month profit margin is 6.03%.