Nuveen Preferred Income Opportunities Fund JPC Edges Higher Navigating a YieldDriven Market Janus International Group Inc JBI Notches Slight Gain as Stock Clings to Support Level STAAR Surgical Stock Edges Lower Amid Consolidation Near Key Support Levels MUC Posts Modest Gains as Blackrock MuniHoldings California Quality Fund Trades Near Support SIFCO Industries Inc SIF Gains 18 as Shares Approach Key Resistance