Stocks Hitting 52-Week Lows

Volterra Semiconductor (NASDAQ:

) shares touched a new 52-week low of $12.60. Volterra Semiconductor reported downbeat Q1 results. II-VI (NASDAQ:

) shares reached a new 52-week low of $15.025. II-VI reported weak FQ3 results. Omthera Pharmaceuticals (NASDAQ:

) shares fell 3.41% to touch a new 52-week low of $6.22. Omthera Pharmaceuticals' trailing-twelve-month ROE is -463.15%. QKL Stores (NASDAQ:

) shares dropped 2.77% to reach a new 52-week low of $4.57. QKL Stores shares have tumbled 77.51% over the past 52 weeks, while the S&P 500 index has gained 14.31% in the same period.