Don't try to equate stock performance with any sort of logic. There is none.
Apple rolls out a solid product and/or posts solid sales numbers, and their stock tanks.
Google rolls out a prototype of some hair brain idea and their stock goes to the moon.
The stock market is like the fashion industry...slave to the whims of a bunch of self-proclaimed "experts" who are never held accountable for almost always being wrong.
Wallstreet is convinced that "someday" Apple will die because SJ is gone. So no matter what they do...it is only seen as a corpse twitching.
In the meantime millions of people will continue to enjoy their great products.