The Dow gained 0.21% to 17,106.60, while the NASDAQ composite index rose 0.14% to 4,511.93. The broader Standard & Poor's 500 index rose 0.18% to 1,981.43. The worst performing industries in the market today are:

The industry dropped 2.90% by 11:00 am. The worst performer in this industry was Trulia (NYSE:

), which declined 4.6%. Trulia's PEG ratio is -5.98.

This industry declined 2.76% by 11:00 am, with Louisiana-Pacific (NYSE:

) moving down 2.4%. Louisiana-Pacific shares have dropped 23.18% over the past 52 weeks, while the S&P 500 index has gained 16.68% in the same period.

This industry fell 1.80% by 11:00 am ET. Paragon Shipping (NASDAQ:

) shares dropped 3.9% in today's trading. Paragon Shipping's trailing-twelve-month ROE is -21.70%.

This industry tumbled 1.57% by 11:00 am. The worst stock within the industry was Axiall (NYSE:

), which fell 2.7%. Axiall's trailing-twelve-month EPS is $1.59.