The JPMorgan Trust II US Treasury Plus Money Market Fund Agency (AJTXX) is a mutual fund that primarily invests in short-term, high-quality debt securities issued by the US government and its agencies. This fund aims to provide investors with a low-risk investment option that offers competitive returns and maintains a stable net asset value (NAV) of $1 per share. It is managed by JPMorgan Asset Management and is suitable for investors seeking a conservative investment option with minimal fluctuations in value.