Stocks Hitting 52-Week Lows

shares fell 10.51 percent to reach a new 52-week low of $5.62. Aradigm shares have declined 18.93 percent over the past 52 weeks, while the S&P 500 index has gained 1.03 percent in the same period.

shares fell 2.16 percent to touch a new 52-week low of $4.08. Skullcandy's trailing-twelve-month ROE is 4.44 percent.

shares reached a new 52-week low of $4.70. Diana Shipping's PEG ratio is -1.08.

shares declined 3.44 percent to touch a new 52-week low of $36.23. Huaneng Power shares have declined 21.52 percent over the past 52 weeks, while the S&P 500 index has gained 1.03 percent in the same period.