Stocks Hitting 52-Week Lows

shares fell 3.41 percent to touch a new 52-week low of $2.69. Cowen & Company downgraded Achaogen from Outperform to Market Perform.

shares fell 6.19 percent to touch a new 52-week low of $0.244. Gevo shares have declined 90.88 percent over the past 52 weeks, while the S&P 500 index has dropped 0.15 percent in the same period.

shares reached a new 52-week low of $26.54. The U.S. Federal Trade Commission has sued Endo Pharmaceuticals and others for illegally blocking lower-cost generic versions of the branded drugs Opana ER and Lidoderm.

shares touched a new 52-week low of $1.89. Overseas Shipholding shares have tumbled 12.68 percent over the past 52 weeks, while the S&P 500 index has dropped 0.15 percent in the same period.