I don't know about how your portfolio is diversified but I personally would never put all my money into a single investment.
If anything I probably own too many junior golds.
It is almost a full time job keeping track of them.

Although the companies in the sector tend to go up and down together there is always the possibility of an unknown event.

Companies such as Southwestern Gold, Mundoro and Now the companies in Ecuador and Venezuela have all had such events recently.

If you have all your money in a single company when something happens it can devastate your portfolio.

I think Tyhee has great potential and I have overweighted it but it is not going to bankrupt me no mater what.