Irene Rosenfeld

Executives ask themselves daily: "What can I do to give my company an edge?" Studies show that the answer may be as simple as hiring more women for executive and board of director roles. So you just might want to invest in these six companies that have done just that.

From PepsiCo to Avon to Xerox, these women are responsible for some of the biggest companies and brands that consumers touch and feel everyday. And this year, there's a new No. 1 on Fortune's list of the most powerful women.

Shareholders in British candy maker Cadbury are looking for a fat increase in the hostile takeover bid by Kraft Foods (KFT), as Kraft faces a Tuesday deadline for changes to its bid. Cadbury shares moved above 800 pence in Monday trading in the United Kingdom, indicating the market was looking for...