12 PR Catastrophes That Crushed Company Shareholders

Is PR dead? There's no better way to tell than looking at the aftermath of a major PR fail.

When really bad news is made public, it not only affects people's opinions, but it also affects the stock market. 

Remember what happened when Steve Jobs denied he was ill, then took a leave of absence to have a liver transplant? Apple's stock nose-dived 7 points that day.

Here are several other major public events, compared to the company's stock prices for that month.