Who are the most powerful women in business?
General Motors CEO Mary Barra has topped Fortune's 2017 list of Most Powerful Women for the third time in a row. The list features PepsiCo CEO Indra Nooyi ranked at 2, Facebook COO Sheryl Sandberg ranked at 5, and also features first Latina CEO Geisha Williams. The ranking of 51 women includes 26 CEOs controlling $1.1 trillion in market capitalisation. 