amazon is hiring a digital currency and blockchain expert

Ding Yuanying said the essence of the stock market! What is the next step?Fool wisdom = value investment+main thinking!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.Fool wisdom = value investment+main thinking!

Fool wisdom = value investment+main thinking!Investment is the process of recognizing "economy, policy, value, main force, cycle, mood, position and trust". Fear comes from the unknown, and greed comes from want.