It will be, sure, but it's not there. Also the markets are very different - the Chinese government is much more likely to take an active role in the governing of large companies.
China may become richer but it will have to deal with the effects of a very fast aging population as well which will impede its economy as well.
By which measure? China has nearly five times as many inhabitants, the biggest economic growth over the past three decades of any country, and out-produces the US by over nine thousand. If it's not yet the biggest market on the planet yet, it soon will be.