I’m backing both of these picks to deliver very good returns over the rest of the decade. You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources , and more. Learn More I think small-cap ASX shares can deliver the biggest returns because of where they are in their growth journey and the current share prices. Higher interest rates seem to have hurt the valuations of the smaller end of the ASX compared to...