Why Ultragenyx Pharmaceutical Shares Are Trading Lower By Around 42%? Here Are Other Stocks Moving In Monday's Mid-Day Session - Autolus Therapeutics (NASDAQ:AUTL), Brand Engagement Network (NASDAQ:BN

Company Performance - Ultragenyx Pharmaceutical Inc. shares fell 42% to $19.84 following the announcement of Phase 3 study results for setrusumab (UX143) in Osteogenesis Imperfecta (OI) [1] - Mereo BioPharma Group plc shares dropped 90% to $0.23 after its Phase 3 studies for setrusumab did not achieve statistical significance against primary endpoints [5] Market Movements - Republic Power Group Ltd surged 163% to $0.69 [5] - Brand Engagement Network Inc jumped 84.3% to $2.21 after entering a Vendor Services Project Agreement [5] - DigitalBridge Group Inc rose 9.9% to $15.30 following the announcement of its acquisition by SoftBank Group for approximately $4.0 billion [5] Precious Metals Sector - Hycroft Mining Holding Corporation was down 14% to $21.61 as precious metal stocks traded lower due to a retreat in commodity prices [6] - Silver prices pulled back after reaching an all-time high, impacting related stocks [6]