Yamana Gold (YRI.TO) spent the summer drifting downward within the SIA S&P/TSX Composite Index Report, sliding from the Green Zone in May down into the red zone where it languished from July to September. In the last few days, the shares have soared back up the relative strength rankings and have returned to the Green Favored Zone this week. Yamana finished yesterday in 34th place, up 17 spots on the day and up 135 positions in the last month.