Core Viewpoint - Intuitive Surgical (ISRG) stock remained relatively flat after a late-Thursday increase, following a strong fourth-quarter earnings report but disappointing 2026 guidance [1] Financial Performance - The company reported an adjusted earnings per share of $2.53, surpassing expectations of $2.27 [1] - Sales for the quarter reached $2.87 billion, indicating robust performance in the robotics surgery sector [1] Market Reaction - Despite the strong earnings report, the stock's performance was muted, reflecting investor concerns over future guidance [1]