The Big Picture has a fun post on how to write for different financial sites. Read the whole thing.
How to write for the Business Insider: Post title should ask a question you have no intention or ability to answer. Bonus points for making it into a list, for including a well-known person and for scaring people into clicking it. Example: “ARE THESE THE SEVEN REASONS DANNY DEVITO IS ABOUT TO MAKE THE ECONOMY IMPLODE?”