Using the word "unstoppable" to describe a stock has significant weight. To qualify, the company needs to be dominant but still capturing market share at an impressive rate.

These are the types of companies that make start-ups shiver when they launch a competing product, and I have two examples that I think qualify.

Both Amazon (NASDAQ: AMZN) and (NASDAQ: GOOG) (NASDAQ: GOOGL) earned the unstoppable moniker, and their performance has been an example of that.

Continue reading

Source Fool.com