The Consumer Discretionary group has plenty of great stocks, but investors should always be looking for companies that are outperforming their peers. Mattel (MAT) is a stock that can certainly grab the attention of many investors, but do its recent returns compare favorably to the sector as a whole? A quick glance at the company's year-to-date performance in comparison to the rest of the Consumer Discretionary sector should help us answer this question.Mattel is a member of our Consumer Discretionary group, ...