The Business Services group has plenty of great stocks, but investors should always be looking for companies that are outperforming their peers. ABM Industries (ABM) 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.ABM Industries is one of 316 companies in the Business Services group. The Business Services group currently sits at #6 within the ...