Tenax Therapeutics TENX Stock Up 440 Key Resistance at 1258 20260520 Chinas Xi Showcases Diplomatic Balancing Act by Hosting Putin Days After Trump Visit Masimo Corporation MASI Holds 17881 Direction Awaited 20260520 Inogen INGN Slips 147 Testing 604 Support 20260520 Boqii BQ Rallies 407 as Bulls Target 076 20260520 Baron Opportunity Fund Adjusts Position in Nova Ltd NVMI Amid Semiconductor Sector Shifts DoubleDown DDI Crushes Q1 2026 Estimates EPS 071 Tops Views