Monopar Therapeutics MNPR Surges 3 as Biotech Momentum Builds Tests Key Resistance Garmin Ltd GRMN Holds Steady Near Key Resistance Level Prosperity Bancshares PB Slips 133 as Support Test Looms Sector Headwinds Persist InfuSystems Holdings Inc INFU Slips 282 as Selling Pressure Intensifies Support at 918 in Focus