Pimco Corporate Income Opportunity Fund PTY Edges Lower as Market Sentiment Remains Cautious BBSI Stock Retreats 257 as Sellers Test Key Support Levels Lexicon Pharmaceuticals LXRX Slides 31 as Shares Test Key Support Levels MGRB Edges Higher Amid Steady Demand Testing Key Resistance Levels FirstCash Holdings FCFS Gains 146 as Price Approaches Midpoint of Key Range