The essence of Chinese and American stock markets is to provide a stock exchange market, which provides a place for capitalists and investors to buy and sell securities products such as stocks and bonds. Through the Chinese and American stock markets, companies can obtain funds, investors can invest, and it is relatively easy to control transactions, returns and risks. Sino-American stock market is not only a capital market, but also the embodiment of a country's economic development and capital strength.

The Chinese and American stock markets have brought many economic and social benefits, such as attracting a large amount of capital into the market and promoting economic growth and liquidity. At the same time, the Chinese and American stock markets also have the function of risk control, which can distribute investors' resources to different industries, enterprises and regions in a balanced way and reduce the losses caused by the risks of a single company or industry. In addition, the Chinese and American stock markets also put forward requirements for financial transparency and corporate governance, which promoted the implementation of the principles of orderly market and fair competition.

The Chinese and American stock markets also face some challenges. For example, the volatility and uncertainty of the stock market will lead to investment risks. In addition, the innovation of financial instruments will expand market opportunities, but it may also increase market instability. In terms of supervision, it has become an inevitable trend for relevant regulatory agencies in various countries to strengthen cooperation. However, there are differences in regulatory standards, laws and regulations in different countries and regions, and coordination and cooperation are needed to protect the rights and interests of investors and shareholders.