Fund Description: The fund invests at least 80% of its assets in securities within the index or in securities, that the fund"s investment adviser determines have economic characteristics that are substantially the same as the economic characteristics of the securities within the index. The index reflects a rules-based multi-sector strategic beta approach to measuring the performance of the debt market through representation of six segments of the debt market in the index, each focused on yield, quality, and liquidity of the particular segment.