Investors interested in Basic Materials stocks should always be looking to find the best-performing companies in the group. Has Agnico Eagle Mines (AEM) been one of those stocks this year? Let's take a closer look at the stock's year-to-date performance to find out.Agnico Eagle Mines is a member of the Basic Materials sector. This group includes 237 individual stocks and currently holds a Zacks Sector Rank of #12. The Zacks Sector Rank includes 16 different groups and is listed in order from best to worst i ...