In one of my past articles, I launched a screaming buy on gold.
It was mid October 2015 and gold price was quoting around 1050 $: http://www.crottaz-finance.ch/blog/lor-et-les-mines-cest-parti-mon-goldy/ (sorry only in french but fell free to use an internet translator, it works well)
From that period, the gold rallied 280 $ for a performance of +26%, mines followed the move.
This year 2018 something strange happened.
A big de-correlation between gold price evolution and mines
I have no explanation, but probably gold mines are paper gold and may be people do not really understand the industry. For the moment the sector looks like dead but: