>China

Maybe back in 1949, but the Shanghai stock exchange is the third largest stock exchange in the world.

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Deng launched several economic reforms that allowed private sectors to start and operate their own businesses once again. He also established four special economic zones along the coast of China with intentions of attracting foreign investments.

The government or the Red Army does own or hold a majority of stock in many companies, but they don't control or own everything. China is a mixed economy.