Lilly could take a step that's positive for the stock and investors over the long term.Eli Lilly (LLY -0.13%) offers investors the same thing as many other big pharma companies: a certain level of security when it comes to revenue. Since people need their medicines regardless of the economic environment, these players generally are linked to some earnings stability and visibility. But Lilly has stood out from the crowd in recent quarters by also giving investors something that's generally seen more in techn ...