VIR Vir Biotechnology Q4 2025 EPS outpaces analyst forecasts shares fall 21 percent in todays session SILO Silo Pharma reports widerthanexpected Q4 2023 loss shares dip 162 amid weak investor sentiment 1RT ONCHW Stock Forecast Valero Energy Corporation VLO Refining Sector Benchmarking Amid Par Pacifics 2026 Rockies Margin Growth Thesis