Investors interested in Financial Transaction Services stocks are likely familiar with Fidelity National Information Services (FIS) and DLocal (DLO) . But which of these two stocks is more attractive to value investors? We'll need to take a closer look to find out.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 emphasizes companies with positive estimate revision tr ...