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 vehicle maker Polaris Industries (NYSE: PII) have soared today by as much as 11% after the company reported first-quarter earnings.

So what: Both top and bottom lines destroyed the market's expectations, with sales adding up to $673.8 million and earnings per share of $0.85. Compare those figures to the consensus estimates of $612.5 million in revenue and earnings per share of $0.77, and today's jump makes plenty of sense.

Now what: Following up the strong quarter, the company is also raising its full-year guidance with earnings expected to be $3.85-$4.00 per share. Wells Fargo has also come out with an upgrade to "outperform" and a price target range of $84 to $88. It looks like this recent official Fool recommendation is off to a strong start on the Stock Advisor scorecard.

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