"You can't guide weak in this environment," says LikeFolio's Landon Swan, pointing to weakening consumer sentiment as a headwind against PayPal's (PYPL) outlook. That said, Landon notes traction in Venmo that helps it lean "on the cusp of being great." He says PayPal needs to boost its international presence and pen deals with more merchants so it doesn't rely too much on Venmo.