A week after updating its partner website to add 29 more financial institutions that are supporting Apple Pay, the iPhone maker has again added new names to the list with another 72 banks and credit unions, pushing the total to 604 US partners. Notable among the most recent additions is the FedEx Employees Credit Association and HSBC, the US version of the UK banking giant, which has 232 branches in the US and is one of the major UK banks supporting Apple Pay in that region.