what is digital currency used for, Knowledge graph

Fool wisdom = value investment+main thinking!Value investment = an undervalued company that finds and holds sustainable profitability for a long time.

Value investment = an undervalued company that finds and holds sustainable profitability for a long time.Value investment = an undervalued company that finds and holds sustainable profitability for a long time.

Ding Yuanying said the essence of the stock market! What is the next step?Fool wisdom = value investment+main thinking!Value investment = an undervalued company that finds and holds sustainable profitability for a long time.