There are a couple of important details to consider regarding last quarter's modest sales growth.Kudos to Target (TGT 1.07%), and congratulations to its shareholders. The retailer's stock soared more than 10% on Wednesday in response to its second-quarter numbers, which were better than expected. It also upped its full-year profit guidance, further fanning the bullish flames.However, there are a couple of footnotes regarding the company's Q2 results that just might make you rethink the notion that Target is ...