It’s hard to imagine there’s much upside left for retail to capture at this point. How much bigger can they get when they’re already 1/5 the size of the world’

It’s hard to imagine there’s much upside left for retail to capture at this point. How much bigger can they get when they’re already 1/5 the size of the world’s largest company? It seems like the chance of retail making a killing on these IPOs like they did with Amazon (+2200x since IPO) or Nvidia are slim. The entire S&P is $60T.