The MFS Blended Research Emerging Markets Equity Fund - Class B (BRKBX) is a mutual fund that focuses on investing in emerging market equities. This fund utilizes a blended research approach, combining both quantitative and qualitative analysis to select investments. Class B shares typically have a lower initial investment requirement and higher expense ratio compared to other classes of the same fund. This fund is managed by MFS Investment Management, a global investment firm with a long history of successful fund management. BRKBX offers investors the opportunity to diversify their portfolio and potentially benefit from the growth potential of emerging markets.