Investors interested in Transportation stocks should always be looking to find the best-performing companies in the group. Has Deutsche Lufthansa AG (DLAKY) been one of those stocks this year? Let's take a closer look at the stock's year-to-date performance to find out.Deutsche Lufthansa AG is a member of the Transportation sector. This group includes 115 individual stocks and currently holds a Zacks Sector Rank of #11. The Zacks Sector Rank considers 16 different sector groups. The average Zacks Rank of th ...