DELAWARE INVS LARGE CAP CORE FUND CLASS MUTUAL FUNDS USMF - What does DELAWARE INVS LARGE CAP CORE FUND CLASS MUTUAL FUNDS USMF mean? - What does DELAWARE INVS LARGE CAP CORE FUND CLASS MUTUAL FUNDS USMF stand for? - DELAWARE INVS LARGE CAP CORE FUND CLASS MUTUAL FUNDS USMF meaning