Emergent BioSolutions EBS Slips 142 as Stock Navigates Key Support Levels GRAIL Inc GRAL Gains 26 as Shares Approach Key Resistance Level RF Industries RFIL Gains 37 as Stock Approaches Key Resistance at 1945 John Hancock Income Securities Trust JHS Holds Steady at 1102 Amid RangeBound Trading BlackRock Virginia Municipal Bond Trust BHV Holds Steady Near 1133 Amid Stable Trading