International Bancshares Corporation shares rise 4.39% intraday as U.S. banks lobby for national standards.

International Bancshares Corporation rose 4.39% intraday, with the company potentially benefiting from the news that U.S. banks are lobbying for national standards for providing banking services, which could override state-imposed rules. This move could simplify regulatory compliance and reduce operational costs for large banks, potentially boosting their profitability.