Mastercard has made a $300-million investment in the cross-border business unit of Corpay, a corporate payments company whose shares trade on the New York Stock Exchange. The companies are already partners for Mastercard branded purchasing, fleet and prepaid commercial cards issued in the US. Collectively, those cards generate more than $50 billion annually in purchase volume. Corpay also uses Mastercard Send, which facilitates lower monetary value cross-border payments to debit card accounts worldwide. Mastercard Send and Mastercard Cross-Border Services are part of the Mastercard Mo...