Appropriate Action for Portfolio Rebalancing

Sarah is a portfolio manager at a wealth management firm. She is currently reviewing the performance of her client’s diversified portfolio, which comprises equity, fixed income, and alternative investments. Sarah has set benchmarks for each asset class and has been monitoring the portfolio's allocation against these benchmarks. After noticing some variance from the target allocations, she decides to rebalance the portfolio. Which of the following actions is most appropriate for Sarah to take in response to this variance?