 Minnesota Governor Tim Walz says a recent ranking of Minnesota investing in areas to keep the state's economy strong. He is positive on that. CNBC released the annual top states for businesses list last week, ranking Minnesota sixth overall in the state list. That list created by a ranking of states on the 128 metrics in 10 broad categories. Minnesota placed fifth in infrastructure, fourth in quality of life, while the state's worst ranking was 35th in cost of doing business.