Stocks Hitting 52-Week Lows

shares dipped 7.95 percent to touch a new 52-week low of $2.20. Gold futures fell 2.69 percent to trade at $1,101.50 an ounce.

shares reached a new 52-week low of $33.93. Barclays downgraded Yelp from Overweight to Equal-weight and lowered the price target from $50.00 to $36.00.

shares reached a new 52-week low of $59.71. Viacom shares have dropped 30.38 percent over the past 52 weeks, while the S&P 500 index has gained 7.75 percent in the same period.

shares slipped 10.85 percent to touch a new 52-week low of $6.20. Linn Energy's trailing-twelve-month ROE is -14.52 percent.