TM editors' note: This article discusses a penny stock and/or microcap. Such stocks are easily manipulated; do your own careful due diligence. 

Every single pot stock closed the day deeply in the red with the sector crashing, on average, by 12.9%. Below is a list of the 10 cannabis stock with the greatest percentage declines:

1. Tilray (NASDAQ: TLRY) | -23.5%
2. Green Growth Brands (CSE: GGB) (OTCQB: GGBXF) | -22.9%
3. 48North (TSXV: NRTH) (OTCPK: NCNNF) | -21.7%
4. CannTrust (TSX: TRST) (NYSE: CTST) | -20%
5. iAnthus (CSE: IAN) (OTCQX: ITHUF) | -18.8%
6. Cresco Labs (CSE: CL) (OTCQX: CRLBF) | -18.4%
7. Neptune Wellness (TSX: NEPT) (NASDAQ: NEPT) | -18.2%
8. Tetra Bio-Pharma (TSXV: TBP) (OTCQB: TBPMF) | -18.2%
9. Aurora Cannabis (TSX: ACB) (NYSE: ACB) | -17.3%
10. Harvest Health (CSE: HARV) (OTCQX: HRVSF) | -16.7%

To put things in perspective, the Dow Jones Industrial Average (DJIA) set a new record for the largest single-day point drop declining 7.79%, the S&P 500 (SPX) declined 7.6% and the Canadian TSX declined 10.3%, its biggest single-day drop since 1987.