The billionaire founder of Morningstar is pouring large sums of his wealth into charitable efforts and high-profile business ventures in Chicago, making a sizeable impact on the city's landscape. Reporter Danny Ecker speaks with Joe Mansueto on a special episode of Crain's Daily Gist with host Amy Guth.

Plus: Chicago Public Schools will require masks this fall, Amazon-backed Rivian confirms plan for a second assembly plant, new apartment tower near Millennium Park hits the market, and another big Amazon distribution center is coming to Waukegan.