Stocks Hitting 52-Week Lows

China Southern Airlines Co ZNH shares fell 1.59% to touch a new 52-week low of $17.33. China Southern Airlines' PEG ratio is 3.29. LTX-Credence LTXC shares fell 1.17% to reach a new 52-week low of $4.24. Analysts at Craig-Hallum downgraded the stock from “buy” to “hold.” Arena Pharmaceuticals ARNA declined 5.08% to touch a new 52-week low of $6.35. Arena's trailing-twelve-month profit margin is -20.85%. Tower Group International TWGP shares tumbled 1.04% to reach a new 52-week low of $13.86. Tower Group shares have dropped 9.06% over the past 52 weeks, while the S&P 500 index has gained 15.60% in the same period.