Depends on when you got in but would hold it in case of a blatant loss you don't have much to lose anymore because you can also wait for legalization and see what happens (my opinion) but if stop loss is just reached / undercut get out unless you believe in the blatant influences of legalization.
I also have the share in my portfolio and unfortunately a big minus. But I'm holding and hoping. At the moment it's going up a bit 🤷🏼♂️ let's see what the years bring