SPX (S & P 500) Index Funds Selling NEM Are Dragging HUI, NEM, And The XAU Down Today

In the chart at the link below you can see that SPX index fund selling of NEM dragged NEM and therefore HUI and the XAU down today, with SPX peaking before them, and, even the short lived rallies in the downtrend coincide:

http://finance.yahoo.com/q/ta?t=5d&s=NEM&l=off&z=l&q=b&a=m26-12-9&a=p12&a=fs&a=w14&c=&c=%5EGSPC