These 7 miners should surge if gold keeps going up

After the UK voted to leave the European Union last week, gold started soaring as investors looked for a safe place to park their cash. And because political and economic uncertainty is likely to persist, the price of gold might be high for quite a while. 
In light of this, HSBC has compiled a list of US mining stocks whose returns are most strongly correlated with changes in the price of gold. In other words, these are the stocks that are most sensitive to fluctuations