It's time's like these that separate the true long-term investors from the phonies.

The firestorm of negative sentiment surrounding Intuitive Surgical (NASDAQ:ISRG) and its daVinci robotic surgery platform hit a new high this week, causing the stock's price to set a 52-week low. Is it truly time to hit the sell button, or is this a classic example of Mr. Market's shortsightedness? In the following video, Brenton Flynn runs through the news that has investors panicking, and outlines why he's not running for the hills, just yet.

Brenton Flynn has no position in any stocks mentioned. The Motley Fool recommends Intuitive Surgical. The Motley Fool owns shares of Intuitive Surgical. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.