Although we don't believe in timing the market or panicking over market movements, we do like to keep an eye on big changes -- just in case they're material to our investing thesis.

What: Shares of recreational vehicle manufacturer Polaris Industries (NYSE: PII) sped 27% higher today, after the company reported outstanding results.

So what: Polaris hit the earnings trifecta, beating estimates on revenue, earnings per share, and guidance. Revenue rose 49% to $537.2 million, and earnings per share beat the $0.70 analysts expected at $1.34. The company also expects sales to improve 17% to 20% in 2011 and earnings per share to be between $5.53 and $5.68.

Now what: Polaris was also busy on the acquisition front, announcing that it was buying the legendary Indian Motorcycle from a private equity firm. The company obviously has a lot of confidence for the year, and given the strong results, so do I. I would like the stock to cool off a bit before jumping in, but the momentum keeps getting stronger as the day goes on. The ride higher should be a long-term trend for Polaris.

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Fool contributor Travis Hoium does not have a position in any company mentioned. You can follow Travis on Twitter at @FlushDrawFool, check out his personal stock holdings or follow his CAPS picks at TMFFlushDraw.

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