The John Hancock Variable Insurance Trust Mid Cap Growth Trust Series Nav (JAEVX) is a mutual fund that focuses on investing in mid-sized companies with strong growth potential. This fund is part of the John Hancock Variable Insurance Trust, which offers a variety of investment options for insurance policyholders. JAEVX aims to provide long-term capital appreciation by investing in mid-cap stocks that have the potential for above-average growth. This fund is suitable for investors looking for exposure to mid-cap companies and seeking long-term growth opportunities.