Investors interested in Business Services stocks should always be looking to find the best-performing companies in the group. Is Brookfield Business Partners L.P. (BBU) one of those stocks right now? Let's take a closer look at the stock's year-to-date performance to find out.Brookfield Business Partners L.P. is one of 317 companies in the Business Services group. The Business Services group currently sits at #6 within the Zacks Sector Rank. The Zacks Sector Rank includes 16 different groups and is listed i ...