Investors interested in Oils-Energy stocks should always be looking to find the best-performing companies in the group. Central Puerto S.A. Sponsored ADR (CEPU) 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.Central Puerto S.A. Sponsored ADR is a member of the Oils-Energy sector. This group includes 242 individual stocks and currently holds a ...