Stocks Hitting 52-Week Lows

Discovery Laboratories, Inc. DSCO shares reached a new 52-week low of $0.973. Discovery Labs reported a Q1 loss of $0.14 per share. Qumu Corp QUMU shares touched a new 52-week low of $11.11. Qumu posted a Q1 adjusted loss of $1.07 per share on revenue of $6 million. PROS Holdings, Inc. PRO shares touched a new 52-week low of $17.66 after the company issued a weak forecast. Ion Geophysical Corp IO shares fell 2.91 percent to reach a new 52-week low of $2.00. Ion Geophysical shares have dropped 49.26 percent over the past 52 weeks, while the S&P 500 index has gained 11.15 percent in the same period.