Billionaire CEO of world’s biggest bank says any windfall tax on sector’s bumper profits could harm jobs in City Jamie Dimon, the boss of the US bank JP Morgan, has urged John Healey not to use his first budget as chancellor to increase taxes on banks’ bumper profits. Speculation has been growin...
Source: [Guardian World](https://www.theguardian.com/business/2026/aug/17/jp-morgan-boss-jamie-dimon-warns-uk-chancellor-windfall-tax-banks)