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 action sports retailers Zumiez (Nasdaq: ZUMZ) wiped out this morning and fell as much as 10% after the company reported its first-quarter earnings results.

So what: For the quarter, Zumiez reported a 23% rise in sales to $129.9 million as earnings more than doubled to $0.14. Both figures surpassed Wall Street's expectations for a profit of $0.11 on sales of just $128.3 million. The wipeout occurred when Zumiez forecasted earnings of just $0.04 to $0.06 in the second quarter on sales of $128 million to $130 million. The Street had expected Zumiez to earn $0.10 on $128.5 million in revenue. Partly to blame is a $0.03 charge to move its corporate headquarters.

Now what: Today's action goes to show that even double-digit same-store-sales growth, as Zumiez has become accustomed to, isn't enough to satisfy investors. An unusually warmer winter and tight consumer spending habits are making it difficult to really get behind retailers at the moment. Still, there's really no reason to believe that Zumiez won't succeed over the long term. Its primary competitor, Pacific Sunwear (Nasdaq: PSUN), has closed numerous locations as it attempts to regain its footing, which has opened the door for Zumiez to continue to grow its market share. I like the company, but I'd wait for a pullback and a retail environment more conducive to spending before I took the dive into the stock.

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This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.