its an index that is made up unhedged gold producers.
when the hui goes up 5 % stocks like LGL and NCM usually go up 3- 5 % assuming markets also rise.
lately its been hard to judge the date with so many factors all contradicting each other and pointing in oposite directions eg: LGL has good news HUI overnight was flat Gold down 0.5 % but market gets sold off 90 points LGL and NCM are flat for the day andnervouse aheat of the fed cut