Regencell Bioscience RGC Edges Higher Approaches Key Resistance Level Ultra Clean Holdings UCTT Jumps 44 Approaching Key Resistance Zone Synaptics SYNA Dips 3 as Shares Test Key Support Levels Metallus Inc MTUS Edges Higher as Shares Approach Key Resistance Zone Blackrock MuniYield Quality Fund MQY Inches Up in Quiet Session Tests Key Resistance Zone