The index's construction begins with the constituents of the Solactive U.S. Large Cap Index, consisting of approximately 500 of the largest U.S.-listed companies. The fund generally will invest in all of the component securities of the index in approximately the same proportion as in the index. Under normal circumstances, at least 80% of the fund's net assets, plus borrowings for investment purposes, will be invested in securities that are traded principally in the U.S.