Investors interested in Computers - IT Services stocks are likely familiar with Amdocs (DOX) and CoStar Group (CSGP) . But which of these two companies is the best option for those looking for undervalued stocks? Let's take a closer look.Everyone has their own methods for finding great value opportunities, but our model includes pairing an impressive grade in the Value category of our Style Scores system with a strong Zacks Rank. The proven Zacks Rank puts an emphasis on earnings estimates and estimate revi ...