Investors interested in stocks from the Engineering - R and D Services sector have probably already heard of Babcock International Group PLC (BCKIY) and Altair Engineering (ALTR) . But which of these two stocks presents investors with the better value opportunity right now? Let's take a closer look.We have found that the best way to discover great value opportunities is to pair a strong Zacks Rank with a great grade in the Value category of our Style Scores system. The proven Zacks Rank puts an emphasis on ...