CBO (PDF) already added most of it up:
Real median after-tax household income increased by 35% 1979-2007.
That conclusion should be immediately obvious to anyone who steps back and spends five minutes scrutinizing the claim that the middle class has stagnated.
The report does also show the rich getting richer. Everyone is getting richer, even the bottom quintile. But it’s faster for the rich. And that brings us back to the OP: IS Wall Street the main cause?