Two Best Buy (NYSE:BBY) directors resigned yesterday, bringing to four the number of vacancies...

Two Best Buy (NYSE:BBY) directors resigned yesterday, bringing to four the number of vacancies on the 11-member board. One director, Mike Mikan, was interim CEO from April-September and was a contender for the top job on a permanent basis; he is going to work for the hedge fund of Edward Lampert, who controls Sears. The second departure is that of lead independent director Matthew Paull, who will retire in April.