> You have the option already to hold on for 5 years+. The difference is having the option. :) Behavior tends to be different if you don't have the option to s

> You have the option already to hold on for 5 years+. The difference is having the option. :) Behavior tends to be different if you don't have the option to sell during a window of time. In this hypothetical case it might serve as a built-in grace period. Companies that otherwise might have failed if measured and punished quarter by quarter might have time to build a product over five year time horizon.