In fact, it is better to learn the basic knowledge of finance, and it is easy to get a lot of information in a short time, especially the structure, products, trading rules and classical financial theory of the whole financial market. Many asset pricing in investment science is not used by ordinary people in reality. You know that it is enough for investors to pursue the minimum risk and the maximum return. Mishkin's "Financial Market and Financial Institutions" Machinery Industry Press is recommended as the relevant teaching material for financial markets.

If you want to learn practical "expertise" that can be used for investment, I recommend learning simple corporate finance and behavioral finance. These two articles have great practical significance. The former teaches you to read company statements, while the latter lets you know what the real market behavior is and how people really invest. The classic "investment" is actually just an idealized theory under the hypothesis of efficient market, which has little practical significance.

Monetary Banking recommended mishkin's Monetary Finance People's Congress Press. It is helpful to understand the macro-control of the banking system and monetary policy.