Why DexCom Could Be the Big Winner Out of Oura's IPO — Barrons.com

By Paul R. La MonicaThere just might be two winners when smart ring maker Oura goes public. Oura, of course, and glucose monitoring company DexCom, which invested $75 million two years ago.We'll know in a matter of days, when Oura lists on the Nasdaq exchange. But DexCom is set up to rake in big bu…