Intuitive Surgical Inc. ISRG shares rose in the extended session Tuesday after the surgical-robotics equipment company’s quarterly results topped Wall Street estimates. Intuitive Surgical shares rose 3.4% after hours, following a 0.1% decline in the regular session to close at $811.11. The company reported first-quarter net income of $426.3 million, or $3.51 a share, compared with $313.5 million, or $2.62 a share, in the year-ago period. Adjusted earnings, which exclude stock-based compensation expenses and other items, were $3.52 a share, compared with $2.70 a share in the year-ago period. Revenue rose to $1.29 billion from $1.1 billion in the year-ago quarter. Analysts surveyed by FactSet had forecast $2.64 a share on revenue of $1.11 billion. “We are pleased with this quarter’s performance,” said Intuitive CEO Gary Guthart in a statement. “Our performance reflects customers choosing Intuitive as COVID eases.”

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