A method for determining weightings of an investment portfolio selected from a plurality of domestic and international financial investments is provided. The method divides domestic and international financial investments into a plurality of industry groups, selecting one of the industry groups, and determining a reguired industry weighting as well as an available domestic weighting for the selected industry group. A mixture of investments can then be determined based on the reguired industry weighting and the available domestic weighting, and the process is repeated for all available industry groups.