CHICAGO (Reuters) - Visa Inc (V.N) said on Monday online shoppers using its payment service are 17 percentage points more likely to complete their purchases than those using PayPal. Visa Checkout, which allows shoppers to store their payment information without having to re-enter it every time they make a purchase online, said 66 percent of its enrolled customers completed their transactions after putting items in their shopping cart compared to 49 percent of PayPal Holdings Inc's (PYPL.O) Express Checkout customers. The data was collated for Visa by retail analytics firm ComScore Inc (SCOR.O). PayPal's online payment service offers a similar convenience by allowing customers to log into their accounts on a merchant's website. Paypal has not seen this report yet, said Anuj Nayar, senior director of... More