Which bank has the highest ROA?

Could you please clarify for me which bank is currently boasting the highest Return on Assets, or ROA, in the industry? This metric is often used to evaluate a bank's profitability and efficiency in utilizing its assets to generate income. It would be insightful to know which financial institution is excelling in this area, and what strategies they might be employing to achieve such a high ROA. Additionally, is there a particular trend or sector within banking that is generally outperforming others in terms of ROA?