Cannabis stocks were a growth machine for investors following the 2015 Canadian federal election. The hype for recreational legalization ramped up, and Liberal leaders Justin Trudeau managed to deliver on the promise. However, the reality of the rollout started to sour investors on the sector. As it stands today, the Canadian cannabis market is in desperate need of a boost to bring it back in the eyes of investors. Today, I want to look at Canopy Growth (TSX:WEED)(NYSE:CGC) and Aurora Cannabis (TSX:ACB)(NYSE:ACB), two top producers whose shares have plunged in 2021. Which is the better buy today? Let’s jump in.