FILE – This Thursday, Dec. 21, 2017 file photo shows the MedMen marijuana dispensary in Los Angeles. Marijuana stocks have come down hard from their highs a year ago, and the skid isn’t just spooking investors. On Tuesday, Oct. 8, 2019, MedMen Enterprises Inc., which sells legal cannabis in California and 11 other states, backed out of a blockbuster deal to buy PharmaCann, a Chicago-based marijuana company with operations in eight states. (AP Photo/Richard Vogel, File)