I recall a chart posted on the Inka Klown website last year that showed IPT, EDR, and GPR as the big underperformers of the silver subsector, along with ECU. Now the other three are leading the group. I believe if that chart had been posted in January ECU would have been among the leaders. These charts that map out relative performance are great but they pretty much come down to the time frame that is under comparison. All stocks go through times when they are outperforming and other times when they are correcting and everything else is going up. Overall I do not think it tells us much except as a contrarian indicator. There is a well-known theory that suggests one should always buy the laggard in any group since the long term performance regresses to the mean.
There are fundamental reasons why some stocks lead the group. Otherwise its just a crap shoot and I think the correct play is to buy a basket of juniors and just ride the performance as a group.
cheers!
mike