UK banks tumble as gilt yields hit highest since 1998, budget jitters mount ↧ ↧ UK banks tumble as gilt yields hit highest since 1998, budget jitte... UK bank stocks fell sharply on ​Thursday, as British 30-year borrowing costs hit ‌their highest since 1998, as jitters mounted about Britain's finances and vulnerability to high oil prices and ​inflation ahead of this month's budget.