Cohu Inc COHU Surges Over 10 as Bulls Regain Control Key Support and Resistance in Focus Knightscope KSCP Rallies 36 as It Tests NearTerm Resistance at 301 Range Capital Acquisition Corp II Warrants RNGTW Holds at 032 as Trading Range Narrows NanoViricides NNVC Surges 159 as Speculative Buying Drives Shares Above 175 Gabelli Healthcare Wellness Trust GRX Holds Steady Amid Modest Gains