Kissing business refers to a financial transaction in which financial institutions or investors quote the price difference between buyers and sellers in the market in order to achieve profitability. Relevant information: The core of market-making business is market quotation, that is, the buying price and selling price quoted by market makers, and the difference between these two prices is the source of market makers' profits. Market makers will constantly adjust the quotations of buyers and sellers according to the relationship between supply and demand in the market, so as to keep the price difference reasonable.

Market-making business also includes futures trading and foreign exchange trading. Market makers can constantly adjust the quotations of buyers and sellers according to the changes of the market, so as to obtain more quotation differences and maximize profits.

Kissing business refers to a financial transaction in which financial institutions or investors quote the price difference between buyers and sellers in the market in order to achieve profitability. Relevant information: The core of market-making business is market quotation, that is, the buying price and selling price quoted by market makers, and the difference between these two prices is the source of market makers' profits. Market makers will constantly adjust the quotations of buyers and sellers according to the relationship between supply and demand in the market, so as to keep the price difference reasonable.

Market-making business also includes futures trading and foreign exchange trading. Market makers can constantly adjust the quotations of buyers and sellers according to the changes of the market, so as to obtain more quotation differences and maximize profits.