Mexican authorities said Monday they have started price-gouging investigations to sanction 420 businesses, including stores and funeral homes, for unfairly raising prices during the coronavirus pandemic.The consumer protection office said hundreds of grocery stores and retailers allegedly failed to respect posted prices or changed them, or charged too much for items including basic food stuffs as well as goods that are in high demand because of the pandemic, including rubbing alcohol, hand sanitizer and face masks.Punishments for “unjustified price increases” can include fines and other administrative measures.