To make money on marijuana stocks, buy when the buzz is over By: MarketWatch July 18, 2018 at 11:37 AM EDT Valuations today are very high and sentiment is very positive — a bad combination, says Nigam Arora. Read More >> Related Stocks: Alphabet-A Alphabet-C Amazon.com Apple Aurora Cannabis Inc Cronos Group Inc Facebook Gw Pharma ADR Neptune Wellness Solutions Inc SPDR GOLD Silver Trust Ishares Zogenix Inc Zynerba Pharma CS