Janet Yellen was pressed on the question of Federal Reserve independence and transparency today, in her second appearance before a congressional committee in as many days.

Appearing before the committee on financial services, the Fed chair faced accusations she was taking the "position of the White House" on the question of changes to the Dodd-Frank Act.

Committee chair Jeb Hensarling pressed Yellen on whether she would favour making any changes to the Dodd-Frank Act – something she repeatedly