Shareholders might have noticed that Winpak Ltd. (TSE:WPK) filed its full-year result this time last week. The early response was not positive, with shares down 5.9% to CA$40.64 in the past week.

That's why when we briefly looked at Winpak's (TSE:WPK) ROCE trend, we were pretty happy with what we saw. If you haven't worked with ROCE before, it measures the 'return' (pre-tax profit ...