It has been a good news week for pot stocks — especially Canopy Growth (NYSE: CGC ) stock. The Ontario-based company now has deals with both stars of VH1’s unlikely cooking show, “Martha & Snoop’s Potluck Dinner Party.” Snoop Dogg has long been the face of one of Canopy’s cannabis brands, “Leafs by Snoop.” Now Martha Stewart is getting in on the action.