Google is unfortunately a really solidly built ship sitting on a ton of cash and a really valuable resource whose proceeds are currently going to the parasites clinging to it's shell. The thing that made them great - Search - is still solid, and is large enough and ahead enough that it can sit still, even go backwards, and people will continue to use them for many years to come. Their money faucet, ads, went from being unobtrusive and helpful to obnoxious and exploitative to cover for the lack of forward movement of the giant it stands upon.
All that said - Google still has some great people, a great mission, and amazing tech that's still years ahead of the rest of the world. It's stock will continue to go up with Wall Street. It just isn't the place it used to be - Though, like all nostalgia, I wonder if it ever was.