Financial-technology company Fiserv will launch a stablecoin and digital-asset platform for its clients by the end of the year, the company announced Monday, sending the stock higher. The move will give Fiserv’s network,

Mastercard said it was expanding its relationship with Fiserv to promote the financial tech company's planned stablecoin, FIUSD.

The financial technology seller plans its own coin and interoperability with PayPal's PYUSD, potentially reaching millions of consumers and merchants and thousands of banks.