Jamie Dimon, the chairman and CEO of JP Morgan Chase & Co. (NYSE:JPM), said the bank could reconsider its multibillion-dollar London headquarters expansion if the UK becomes "hostile to banks" again through higher taxes and stricter regulations. Speaking to Bloomberg TV on Tuesday during JPMorgan's Global Markets Conference in Paris, Dimon was asked whether political uncertainty in the UK and the possible replacement of Prime Minister Keir Starmer could affect the bank's investment plans for new