Explainer-How Wall Street is preparing for possible US debt default

Biden expects to meet lawmakers Tuesday for debt talks

Top Treasury official says debt limit talks have been 'constructive'

Biden says US debt ceiling talks are moving along

Yellen hopeful of a solution to 'more difficult' debt ceiling showdown

Debt ceiling: Still no plan to avoid a default, but major shifts in posture

Debt ceiling worries deepen as early June U.S. default reinforced

Trading platform Tradeweb in talks about US default contingency plans

Resolve debt limit dispute or no pay for U.S. lawmakers, House Democrat says

'Every family should be concerned' about debt ceiling, consumer watchdog warns

Biden to meet congressional leaders on debt early next week - White House

Ghana's official creditors pave way for IMF sign-off on $3 billion loan