These companies took a little longer to appreciate sp wise. I guess Arequipa is the best example for the speed of appreciation;

Juniors making discoveries are phenomenally profitable.

History has always been very gracious to juniors making huge discoveries which has clearly been demonstrated in 1996 by Arequipa Resources that appreciated from 1 CAD$ to 35 CAD$ in 6 months time after making a world class gold discovery (7 million ounces) and more recently (2006) by Aurelian Resources that appreciated from 90 cents to $40 on the back of a huge world class gold discovery (10+ million ounces). John Bridge, a senior gold analyst of JP-Morgan once said:

So, I guess the above pretty well says what I was trying to say.