The PIMCO Energy & Tactical Credit Opportunities Fund (NRGX) is a mutual fund that focuses on investing in energy and credit opportunities. This fund is managed by PIMCO, a global investment management firm known for its expertise in fixed income and alternative investments. NRGX aims to provide investors with a diversified portfolio of energy-related securities and credit instruments, with a tactical approach to take advantage of market opportunities. This fund may be suitable for investors looking for exposure to the energy sector and seeking potential income and capital appreciation.