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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 signal".Fear comes from the unknown, and greed comes from want.

Main thinking = buying and selling logic, following the main capital movements to control positions.Fear comes from the unknown, and greed comes from want.

Move the center of gravity up! As long as you are in the right direction, you will hold shares to rise!Fool's main control panel = value investment+main thinking!