JeremyManswered grow question 4 years ago It's hard to tell from your pictures, but did the stem actually break? If its just bent a little bit, I think it should bounce back.
If it's actually broken, you could try treating it like a cutting. Lot's of different points of view on that, but MIGHT work.
I had a few plants "top" themselves after week 2-3, the top leaf set just died. Two new ones came back and now they're my biggest ones.
Don't give up!