In the context of systemic financial regulation and oversight by the Financial Stability Board and Federal Reserve, multiple mega-institutions are classified as Global Systemically Important Banks (G-SIBs) whose failure would threaten the global economy. Prominent U.S. financial giants frequently cited at the pinnacle of this designation due to their massive asset sizes include JPMorgan Chase, Bank of America, and Citigroup, alongside other elite domestic and international banking behemoths.