The top sell­ing med­ical plan on the MN Sure Exchange is Pre­ferred One. Ear­li­er this month the Min­neso­ta Depart­ment of Com­merce announced that Min­neso­ta would con­tin­ue to have among the “low­est health insur­ance rates in the coun­try” with an increase of only 4.5% — but Pre­ferred One has announced new rates that will see an aver­age increase of 63% due to “high claims costs” (which more than a few were pre­dict­ing would be the result of the ACA rules on issu­ing cov­er­age with­out med­ical review and with­out lim­i­ta­tions on pre exist­ing med­ical conditions)