NKTX Nkarta reports wider than expected Q4 2025 loss shares fall nearly 3 on weak investor sentiment UEIC Universal Electronics trounces Q4 2025 EPS estimates shares gain 118 percent in todays trading CSTL Castle Bio shares plummet 22 despite beating estimates raising questions about investor concerns beyond Q1 results Welltower Inc WELL Activist Governance Criticism Creates Conflicting Signals Amid Strong Healthcare REIT Fundamentals