Rebalancing Strategies Overview

John is an experienced wealth manager responsible for overseeing a client's investment portfolio. The portfolio consists of a diverse range of assets, including equities, fixed income, and alternative investments. After reviewing the asset allocation, John notices that the equities have significantly outperformed the other investments, resulting in a heavier weighting in the equity portion of the portfolio compared to the target allocation.

To maintain the desired risk profile and investment strategy, John is considering rebalancing the portfolio. Which rebalancing strategy should he prioritize in this situation?