Palvella Therapeutics PVLA Gains 316 as Bullish Momentum Builds Toward 12347 Resistance Invesco High Income Trust II VLT Holds Steady Near 1045 as Yield Seekers Eye Support Advantage Solutions Inc ADV Slips Amid Market Pressure Key Levels in Focus Keros Therapeutics KROS Edges Higher as Biotech Sector Shows Mixed Signals