Why Women-Run Businesses Make the Most Money for Kevin O'Leary

Who's Kevin O'Leary (pictured)?  He's one of ABC's 'Shark Tank' stars.  Here's what he says.

"I've been investing now for over 10 years on things like 'Shark Tank' deals — and other deals that are brought to me because of 'Shark Tank' — and the majority of my returns come from the companies run by women," O'Leary tells CNBC Make It of his portfolio.

Read why that is here.