NEW YORK (TheStreet) -- Intuitive Surgical (ISRG) stock is up 14.73% to $449.92 on heavy trading volume, after the manufacturer of da Vinci Surgical Systems reported second quarter earnings of $140.2 million, or $3.73 per share.
Revenue for the quarter was $512.2 million.
That compares to $189 million in net income, or $4.63 per share, and revenue of $579 million for the same quarter a year ago.
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However, the results for the second quarter were higher than analyst estimates of $2.83 per share and $501.7 million in revenue.
ISRG data by YCharts