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? Let's take a closer look at the stock's year-to-date performance to find out.Carnival is one of 255 companies in the Consumer Discretionary group. The Consumer Discretionary group currently sits at #8 within the Zacks Sector Ran ...