Cannabis Central: Pot Stock Index Up 4.8% Last Week; Cultivation/Retail Category Up 10.8% By: TalkMarkets May 18, 2020 at 04:37 AM EDT The NPSI tracks the 38 cannabis stocks that trade for US$1/share or more. Read More >> Related Stocks: Akerna Corp Cl A Aurora Cannabis Inc Cara Therapeutics Greenlane Holdings Inc Cl A Growgeneration Corp Neptune Wellness Solutions Inc New Age Beverages Corp