exchange cash for bitcoins, Knowledge

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

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.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.

Main thinking = buying and selling logic, following the main capital movements to control positions.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?