Key PointsMedical marijuana was moved to the DEA's Schedule III from Schedule I.This confers some accounting advantages, at best, and the company can't even capitalize on them yet.10 stocks we like better than Canopy Growth › A long-awaited change in U.S. federal marijuana law occurred in late April, when the Drug Enforcement Administation rescheduled marijuana from its high-risk Schedule I to a Schedule III designation, which is for drugs with …