Investors interested in Consumer Discretionary stocks should always be looking to find the best-performing companies in the group. Carnival (CCL) 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.Carnival is one of 281 individual stocks in the Consumer Discretionary s ...