Hi everyone! This is my first post, great community you have here.

I was hoping you guys could help me - I have this tree for about 7-8 month, and since then, it grew a lot of new leaves, but the stems barely grew in height.
What could be the problem?
Here are some photos so you can see:
https://i.ibb.co/KN26w8Q/101742894-5...81431808-n.jpg
https://i.ibb.co/YtyyfZ9/101384528-5...27459584-n.jpg
Thanks!