Morning Market Losers

Optibase OBAS plummeted 15.12% to $5.50. Optibase's trailing-twelve-month ROA is 1.92%. PRGX Global PRGX dropped 13.19% to $6.25 after the company announced the departure of its CEO. Renewable Energy Group REGI dropped 12.86% to $11.66 after Canaccord downgraded the stock from Buy to Hold. Industrial Services of America IDSA dropped 9.90% to $2.64. Industrial Services of America shares have dropped 6.69%over the past 52 weeks, while the S&P 500 index has gained 29.66% in the same period.