US regulator says time to review mixing banking with other businesses — Reuters — “US regulations that bar companies such as Wal-Mart Stores Inc from providing banking services need to be reviewed as they reduce competition thereby concentrating more risk among a smaller number of banks, a US banking regulator said… Noreika on Wednesday said that allowing non-financial companies to run banks could strengthen the banking system by boosting competition and increasing diversity. The OCC is exploring providing a charter specifically for financial technology providers such as payment processor Square Inc.”