https://arstechnica.com/tech-policy/2020/03/states-feds-try-to-end-scourge-of-coronavirus-price-gouging/

As the nation and the world reel from the COVID-19 pandemic, many goods are in short supply and high demand. That basic economic formula means prices are going up—way up. Among the nation's largest digital storefronts, a combination of individual sellers out to make bank and algorithmic pricing that may or may not have a basis in reality has resulted in a wave of exploitative price gouging that state and federal regulators are trying to put to a stop.