Up about 250% year to date, Tesla Motors(NASDAQ:TSLA) stock has been soaring. In fact, in the last two months alone, the stock has raced upwards by more than 100%. Does this mean it's time to sell the stock?

Fool contributor Daniel Sparks thinks that, as long as the business is meeting or exceeding your expectations, there's no reason for long-term investors to sell -- whether the stock is overvalued or not. And, as Daniel explains in the video below, Tesla's business is firing on all cylinders.

Fool contributor Daniel Sparks has no position in any stocks mentioned. The Motley Fool recommends Tesla Motors. The Motley Fool owns shares of Tesla Motors. 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.