New York Life Investments announced that it is bringing additional equity investment funds into its MainStay Fund lineup, through a strategic partnership with Fiera Capital and PineStone Asset Management, as announced earlier this year. The funds include theMainStay Fiera SMID Growth Fund (ticker: APSRX), theMainStay PineStone International Equity Fund (ticker: FCIRX), the MainStay PineStone U.S. Equity Fund (ticker: FCUEX), and the MainStay PineStone Global Equity Fund (ticker: FCGEX).