She claims that the authorities failed to take any action against the corporate titans she named.

Last year, we predicted a boom in dealmaking as some of the world's corporate titans — particularly in mining — loosened their purse strings.

Those who have the motivation could build the corporate titans of the next decade.

Corporate titans that once seemed unassailable have been superseded, undermined by communications providers which own no infrastructure, taxi companies which own no vehicles, retailers which own no inventory.

Before and during the sometimes heated questioning, each of the corporate titans tried to push back against suggestions that they exercised any form of monopoly control in their markets.