 DENVER, June 4, 2021 PRNewswire -- Business intelligence from Akerna Nasdaq: KERN, an enterprise software, leading compliance technology provider, and developer of the cannabis industrys first seed-to-sale enterprise resource planning ERP software technology MJ Platform, shows that Friday, May 28th - the start of Memorial Day weekend was the third-largest sales day for medical and adult-use cannabis in 2021, with nearly 87,000,000 in sales. 420, an unofficial marijuana holiday, was the highest sales day of the year so far, grossing over 111,000,000 , followed by over 89,000,000 on St. Patricks Day, which was also the date that stimulus checks landed in most qualifying Americans accounts. 