@Zark002 it really is strain dependent when topping autos
some hate it and will grow slower afterwards others will thrive and create a great yielding plant
now that you have topped it , you can't undo it so just keep providing ideal conditions / lighting etc
and see how it goes .
If it doesn't do as well as you may have liked then you will know for next time
I have topped my autos before with great success.
I would not do any more HST or pruning though. autos can be very sensitive to this and go into shock.
Shock is stunted growth and early flower.
Use LST when the new growth starts to fill in.
Best Of Luck!
Yeah like Roberts said.
But it’s not the end of the world and what’s done is done. There are growers out there that top autos so no stress. The plant will recover and I’m sure you’ll still have a nice grow.