Famed Chicago hot dog chain Portillo’s is adding an IPO to the menu. Local startups Fast Radius and Ki Insurance plan to go public in SPAC deals. And a Back of the Yards startup focused on microbe meat reaches unicorn status.

Crain’s Chicago Business reporter A.D. Quig takes us behind the headlines.

Crain’s Headlines is a joint production between WTTW and Crain’s Chicago Business. It airs every Monday on the WTTW News program “Chicago Tonight.”