The Metropolitan West Corporate Bond Fund (MWCSX) is a mutual fund that primarily invests in a diverse portfolio of corporate bonds. This fund is managed by Metropolitan West Asset Management and aims to provide investors with a steady stream of income through interest payments from the bonds. The "M Share" designation indicates that this fund is available for purchase by institutional investors. With a focus on high-quality corporate bonds, the MWCSX fund offers a low-risk investment option for those seeking stable returns.