Banking giant stuns credit card users with startling June 27 crackdown [https://www.thestreet.com/.image/t_share/MjE1ODY5NjIzOTk0Njg4ODc5/gettyimages-2211820968.jpg] Banking giant stuns credit card users with startling June 27 crackdown Customers could fail to repay borrowed funds due to investing in crypto, Barclays said. [https://www.thestreet.com/crypto/markets/banking-giant-stuns-credit-card-users-with-startling-june-27-crackdown]