Stocks Hitting 52-Week Lows

ArQule

shares tumbled 1.08% to touch a new 52-week low of $1.83. ArQule's PEG ratio is -0.77. Charles & Colvard

shares reached a new 52-week low of $2.58. Charles & Colvard shares have dropped 30.87% over the past 52 weeks, while the S&P 500 index has gained 16.96% in the same period. RingCentral

shares tumbled 2.75% to reach a new 52-week low of $15.22. RingCentral's trailing-twelve-month EPS is -$1.39. Gigamon

shares fell 2.46% to touch a new 52-week low of $15.87. Gigamon's trailing-twelve-month profit margin is -6.80%.