Should You Buy Intuitive Surgical Stock Today, or Wait for a Better Price?

Pressure is mounting on the medical device maker.One of famed investor Warren Buffett's principles is to buy shares of wonderful companies at fair prices to hold for the long term. Let's try to use it to decide whether Intuitive Surgical (ISRG 1.22%), a medical device specialist, is worth investing in today.The healthcare giant certainly appears to be a wonderful company. Intuitive Surgical is helping revolutionize medicine through innovations in robotic surgery. The company's da Vinci system, the first rob ...