Investors interested in Basic Materials stocks should always be looking to find the best-performing companies in the group. CF Industries (CF) 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.CF Industries is a member of the Basic Materials sector. This group includes 236 individual stocks and currently holds a Zacks Sector Rank of #15. The Zac ...