Stocks Hitting 52-Week Lows

shares touched a new 52-week low of $28.21. AstraZeneca shares have tumbled 19.68 percent over the past 52 weeks, while the S&P 500 index has declined 3.98 percent in the same period.

shares touched a new 52-week low of $6.19. Raymond James downgraded GAIN Capital Holdings from Outperform to Market Perform.

shares reached a new 52-week low of $4.09. Osiris Therapeutics shares have dropped 71.81 percent over the past 52 weeks, while the S&P 500 index has slipped 3.98 percent in the same period.

shares fell 2.90 percent to touch a new 52-week low of $2.17. QLT shares have declined 44.14 percent over the past 52 weeks, while the S&P 500 index has slipped 3.98 percent in the same period.