Because up until about 6 months ago, the 3-4 year run to that point you were better off holding. I'm sure lots of people have had a very expensive (on paper) le

Because up until about 6 months ago, the 3-4 year run to that point you were better off holding. I'm sure lots of people have had a very expensive (on paper) lesson this year about how much vested stock they should hold on to (if any).