Investors interested in Construction stocks should always be looking to find the best-performing companies in the group. Knife River (KNF) 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? By taking a look at the stock's year-to-date performance in comparison to its Construction peers, we might be able to answer that question.Knife River is one of 95 companies in the Construction group. The Construction group currently s ...