Over the weekend Scott Adams, Dilbert creator, penned a fantastic piece over on wsj.com. Like all good satire it certainly rings true:

I have a theory that you should invest in the companies that you hate the most. The usual reason for hating a company is that the company is so powerful it can make you balance your wallet on your nose while you beg for their product… Can you justify owning stock in companies that are treating the Earth like a prison pillow with a crayon face? Of course you can, but it takes some mental gymnastics. I'm here to help.

Read the whole thing here. (If you don't have a wsj.com subscription try this link).