These 3 Stocks Will Make You Rethink Your Portfolio

When I look at the strongest performers in my own portfolio, I often see powerful moats.

Intuitive Surgical (NASDAQ: ISRG) is a beautiful example of a razor-and-blades company in the healthcare space. Shopify (NYSE: SHOP) is a dominant internet company with over 1.7 million subscribers around the world. Lastly, Silvergate Capital (NYSE: SI) has established a powerful banking network for institutions that want to trade cryptocurrencies. Here's how these three companies rely on moats to survive and thrive.

Image source: Intuitive Surgical.

Continue reading

Source Fool.com