Orckit Communications Limited (NASDAQ:
ORCT) shares dipped 20.79% to $0.80 at 9:50 am. ORCT's trailing-twelve-month ROE is -498.13%.
Telestone Technologies Corp (NASDAQ:
TSTC) shares lost 20.43% to $3.31. TSTC lowered its revenue forecast for the full-year 2011.
Mid Penn Bancorp (NASDAQ:
MPB) dropped 19.23% to $6.09. MPB shares have gained 0.53% over the past 52 weeks, while the S&P 500 index has dropped 1.12% in the same period.
Fuel Tech Inc (NASDAQ:
FTEK) fell 11.85% to $5.80. FTEK's trailing-twelve-month profit margin is 6.02%.
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