Intuitive Surgical set for sharpest daily rise in 6 months after Q1 beat

Intuitive Surgical ISRG.O shares advance 8.6% to $490.65

Stock on track for its biggest one-day gain since late October

Robotic surgery technology firm's first-quarter revenue of $2.77 billion beat analysts' average estimate of $2.61 billion, as per data compiled by LSEG

Q1 adj EPS of $2.50 beat expectations of $2.10

Procedure volume growth, including 16% growth for company's da Vinci surgical robot and 39% for Ion, drove higher revenue

*Raymond James and TD Cowen cut their price targets on the stock following results

The average recommendation of 35 analysts is a "buy"; the median price target is $601.54 - LSEG-compiled data

Stock trades at about 44 times forward 12-month earnings, compared with its five-year average of around 55

Shares down about 14% YTD, including session's moves