Southwest Airlines (LUV) is one of my least favorite stocks held by Industrials ETFs and mutual funds and earns my very dangerous rating.

FORBES: Go For XLI And UPS When Buying Into Industrial Sector

Twenty-five years ago, that company was Southwest Airlines Co. ( LUV), which went on to gain a reputation as one of the best run companies in the country.

FORBES: Is Allegiant Ready For Take Off?

The problem is the model, or, according to McAboo, that Southwest Airlines (nyse: LUV - news - people )doesn't have one that works.

FORBES: Southwest Stock Drops On Downgrade