On Wednesday's edition of Investor Beat, host Alison Southwick and Motley Fool analysts Taylor Muckerman and Jason Moser take investors through the biggest stories from the market today.

When Mary Barra replaces Dan Akerson as CEO of General Motors (NYSE:GM), she'll make the history books as the first female head of a U.S. automaker. In the lead story from today's Investor Beat, Jason and Taylor talk about the challenges ahead for Barra and discuss the year's best shake-ups in the corner office.

Alison Southwick and Taylor Muckerman have no position in any stocks mentioned. Jason Moser owns shares of Coach. The Motley Fool recommends Coach, Ford, General Motors, and Tesla Motors and owns shares of Coach, Ford, and Tesla Motors. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.