1)
Why did he say "Ant Hu Malka"?
1.
Malbim: The dream can be explained only about you.
2)
What is the significance of the tree reaching to Shamayim?
1.
Malbim: His success is due to his Sar and star above. This also hints to his sin - you said, I will rise to Shamayim "E'eleh Al Bamasei Av." You will descend to the grave ("v'Shaltanach l'Sof Ar'a")!
