On 3rd July PFC announced that it was trading well ahead of expectations. Not surprisingly, sp jumped but has now fallen back pretty much to the same level as before the announcement.
While perhaps not as exciting as finding the next Cairn, remember that in the goldrush days, it was rarely the prospectors who made the money, but rather the suppliers of the spades and tents and stuff - e.g. Levis if memory serves me aright.