...to Kellogg's.

When Kellogg announced it would not renew its endorsement contract with Olympic medalist Michael Phelps after a photo of the athelete smoking pot surfaced, it may have cost the food company its sterling reputation, reports company reputation index Vanno.

Out of the 5,600 company reputations Vanno monitors, Kellogg ranked ninth before it booted Phelps. Now it's ranked 83. Not even an industry-wide peanut scare inflicted as much damage on the food company's reputation.

Via Sullivan.