What moving VWAP Varonis Systems VRNS 179 20260427 Pfizer Inc PFE Strategic Novavax Partnership Boosts Respiratory Vaccine Pipeline Upside State Street SPDR SP Software Services ETF XSW A Neutral SuitabilityFocused Assessment for Sector Investors ASPS Altisource beats Q1 EPS estimates by 35 yet shares slide 2 on cautious revenue outlook