Author: Stephen Mack, Money Morning

One of these stocks could double within the next four years. Another is a “single-stock wealth machine” — the kind you can buy and plan on holding for decades to come.

No matter how you look at it, shares appear to be significantly undervalued. Now is the time to buy.

The company will be saving lives and changing the world as it puts money in your pockets.

We’ve got a selection of investments with an eye toward building — or re-building — your portfolio, uncovering blind spots you might have had before the sell-off, and tapping into the most unshakeable industries of the future.

It might be undervalued by as much as 50%.