Looked into the 07/23-08/31 move in Gold, Silver & Mining Stocks, and came up with these stats:
GLD +7.84%
SLV +19.25%
GDX +18.66%
GDXJ +21.83%
SLW +37.79%
EGO +35.79%
AEM +32.89%
GG +25.76%
ABX +24.90%
GOLD +24.78%
AUY +24.31%
NEM +18.00%
KGC +16.04%
AU +0.80%
Details for each of these mining companies (Top 10 Holdings in GDX) can be had in this article by ZEAL:
http://www.zealllc.com/2012/gsetfris.htm

GLD +7.84%
SLV +19.25%
GDX +18.66%
GDXJ +21.83%
SLW +37.79%
EGO +35.79%
AEM +32.89%
GG +25.76%
ABX +24.90%
GOLD +24.78%
AUY +24.31%
NEM +18.00%
KGC +16.04%
AU +0.80%
Details for each of these mining companies (Top 10 Holdings in GDX) can be had in this article by ZEAL:
http://www.zealllc.com/2012/gsetfris.htm

