Law firm Labaton Keller Sucharow filed a securities class action lawsuit against FinTech and payments company Fiserv, alleging that it misled investors.By completing this form, you agree to receive marketing communications from PYMNTS and to the sharing of your information with our sponsor, if applicable, in accordance with our Privacy Policy and Terms and Conditions .Complete the form to unlock this article and enjoy unlimited free access to all PYMNTS content — no additional logins required.The complaint  ...