JP Morgan chief says US should not be ‘playing games’ with debt ceiling

Jamie Dimon warns that US creditworthiness should be ‘sacrosanct’ as country’s debt races toward $31.4tn limitThe US should not be “playing games” with the debt ceiling, the JP Morgan chief executive, Jamie Dimon, warned warring US political factions on Thursday as a heated row over the federal borrowing limit reached a crisis point.“We should never question the creditworthiness of the US government. That is sacrosanct and it should never happen,” Dimon said on Thursday in an interview on CNBC. “This is not something we should be playing games with at all.”