Intuitive Surgical (ISRG) ditches gains on earnings

Intuitive Surgical Inc. (NASDAQ: ISRG) shares fell 1.7% to $487.32. The surgical robot maker posted adjusted third-quarter earnings of $3.92 a share on revenue of $550.1 million. Analysts expected third-quarter earnings of $2.94 a share on revenue of $515.4 million. Share volume was 249,000, compared to an all-day average of 384,000