European companies flocking back to Iran are doing so without their favored lenders at their side. Less than two years after BNP Paribas SA agreed to pay a record $9 billion U.S. fine in part for dealings with Iran, many of the continent’s biggest banks remain unwilling to go anywhere near Iran-related business for fear that they will run afoul of remaining U.S. sanctions on the country. That’s opened the way for Chinese and Persian Gulf lenders, as well as European institutions such as Belgium’s […]