A: The process of rebalancing is more impactful if you invest on the large and small extremes. If you would like to see the differences between the small, mid and large cap returns, get a copy of Live It Up Without Outliving Your Money from your local library or Amazon. Chapter 7 has some great graphs that show the impact of returns of small to large cap asset classes.
Q: Why do you always allocate to large and small cap stocks but never mention the mid-cap tier? What is your reasoning for the omission of this capitalizationsize tier from your recommendations?