Stocks Hitting 52-Week Lows

ARCA biopharma ABIO shares dropped 2.84% to touch a new 52-week low of $1.37. ARCA biopharma's trailing-twelve-month ROE is -103.93%. Mattersight MATR shares fell 0.34% to reach a new 52-week low of $2.90. Mattersight's PEG ratio is -0.14. Dynavax Technologies DVAX declined 5.07% to touch a new 52-week low of $1.31. Dynavax shares have dropped 64.62% over the past 52 weeks, while the S&P 500 index has gained 22.64% in the same period. Tower Semiconductor TSEM shares fell 8.64% to reach a new 52-week low of $5.18. TowerJazz announced its H2 global conference roadmap.