Yes those stocks you mentioned did have their days in the sun but that was back in the days when sentiments towards juniors wasn't circling the S bend.
Your list doesn't show one true comp as none of them have a switch ready mill on their deposits doorstep. SPR is a developer in an exploration/feasibility stage.
I'd argue that the feasibility stage is really only just getting started. Continuing to explore during the feasibility stage is keeping SPR on the right side of the Lassonde curve. Hence the reason SPR sits around a market leading 52 week ROI of 500% when most on your list are plumbing 52 week lows.
SPR Price at posting:
47.5¢ Sentiment: Buy Disclosure: Held
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