Zumiez Inc. raised its second-quarter guidance after reported same-store sales grew a better-than-expected 3.1 percent during June.

The monthly gain was driven by an increase in comparable store transactions and an increase in dollars per transaction. The increase in dollars per transaction was due to an increase in units per transaction and an increase in average unit retail. In June 2012, comps increased 1 percent.

Hard goods, men's, and junior’s posted positive comps, while footwear and boys posted negative comps. Total sales in June increased 11.1 percent to $65.3 million.

Our quarter-to-date comparable store sales are now ahead 3.3 percent.

The action-sports chain now expects second-quarter sales to land in the range of $174 million to $176 million, and net income per diluted share of approximately 19 to 21 cents a share, an increase from the previously issued guidance of sales in the range of $167 million to $171 million and net income per diluted share of approximately 12 to 16 cents.