A rise in minimum wage isn't going to do much or anything to address the disparity between the rich and poor. That's fantasy magical thinking. The disparity is a product of a deeper economic mechanic because we are a debt and consumer based economy and no longer a savings and production based economy as we were 50 years ago. China is now the production and savings based economy and their wealth is skyrocketing not because of minimum wage laws but because they are producing physical goods people want.
Raising the minimum wage only sounds good because it's easy to understand in a simple sentence uttered by a politician or news reporter. Sure go ahead and think it will work, and then believe the self serving lies they tell you later as to why it didn't work and their next failed solution.