The S&P 500 was declining for the 11th time in 13 sessions while the Dow Jones Industrial Average also was in negative territory.
Here is how some of the top pot stocks were doing in trading Monday.
India Globalization Capital Inc. (IGC) fell 15.4%.
DAVIDsTEA Inc. (DTEA) dropped 5.2%.
Canopy Growth Corp. (CGC) declined 10.9%.
Tilray Inc. (TLRY) fell 12.3%.
CV Sciences Inc. (CVSI) was down 7%.