Growing wealth inequality has spurred protests against the ultrawealthy, including outside the Jeff Bezos-sponsored Met Gala this year.Spencer Platt/Getty ImagesGlobal wealth surged by 11% last year, yet wealth disparity grew, according to a new UBS report.In the US, average wealth per adult was nearly $700,000, compared with a median of about $70,000.The data demonstrates the persisting K-shaped economy.The good news: The world got a lot richer…