what backs digital currency, Knowledge graph

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

Main thinking = buying and selling logic, following the main capital movements to control positions.Fool wisdom = value investment+main thinking!

Ding Yuanying said the essence of the stock market! What is the next step?Ding Yuanying said the essence of the stock market! What is the next step?Ding Yuanying said the essence of the stock market! What is the next step?