New research shows evidence that pay gaps are related to salary negotiations.
Big tech firms are moving away from coding language that carries racial connotations.
They often lack resources and can even cause a backlash that makes things worse.
Reforms after the financial crisis haven't brought dramatic change.
"I think that this Goldman decision is symbolic of the strength of the business case and the belief people have in it," one expert said.
Black millennials are increasingly leaving the corporate world to start their own businesses.