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 railcar maker, Greenbrier Companies Inc. (NYSE:GBX) jumped 11% today after announcing earnings.

So what: Fiscal-third-quarter revenue was up 37% to $593.3 million and net income was $33.6 million, or $1.03 per share, easily topping Wall Street's $0.74 estimate. But the bigger news may have been that of management increasing adjusted earnings outlook from a range of $2.45-$2.70 up to $2.98-$3.08.  

Now what: Order flow continues to be strong and Greenbrier ended the quarter with 26,400 railcars in backlog valued at $2.75 billion. After two straight disappointing quarters, operations appear to be back on track, driven by tanker car demand. I'm not crazy about shares at over 20 times projected earnings, but the company does have good cash flow and is buying back shares, so if shares dip to a better value, I'd be more interested.

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Travis Hoium has no position in any stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. 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.