Help me pick a stock for my finance interviews

[Preem]

Leucadia (LUK) is an interesting stock. Some people refer to it as the next Bershire Hathaway. They are a conglomerate that invests in a wide range of businesses. However, LUK has outperformed BRK-A over just about any time period you want to compare the two.

Companhia Vale do Rio Doce (RIO) is one of the largest mining companies in the world. As the global economy continues to expand, RIO supplies the raw materials to fuel that growth.