Investors interested in Engineering - R and D Services stocks are likely familiar with Babcock International Group PLC (BCKIY) and Altair Engineering (ALTR) . But which of these two stocks offers value investors a better bang for their buck right now? We'll need to 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 earnings estim ...