The Russell Growth Strategy Fund - Class R4 (RALUX) is a mutual fund that focuses on investing in growth-oriented companies. This fund is part of the Russell family of funds, which is known for its diverse and well-performing investment options. The Class R4 shares of this fund are designed for retirement accounts and have a lower expense ratio compared to other share classes. With a focus on growth, this fund aims to provide long-term capital appreciation for its investors.