investorshub.advfn.com/uimage/uploads/2016/8/29/wclqmxx_au_29_ytd_comp_w_GDX.jpg . investorshub.advfn.com/uimage/uploads/2016/8/29/jqhscgdx_au_29_ytd_comp_w_xxjc.jpg Because one might be slightly more predictable than the other . . . . . investorshub.advfn.com/uimage/uploads/2016/8/29/glznjxx_jl_25_ALL_HISTORY_fr_87.jpg