My first trading rules. My first investment principle

My first trading rule is, always remember that market price is prepared by the law of demand & supply which has left the result for both psychology of buyers and sellers. The Market Price Tend to Be Affected by External Factors Like Economic Factors, Political Issues, Rumours, NewPapers, Company Fundamental... which makes a impact on people Decision for Buying Stocks in Which Decisive Driven by Some Moves Like Greedy, Fearful, Complaint, Expectation.

My first investment rule is to always remember that market prices are determined by supply and demand, reflecting the psychological results of buyers and sellers. Often, changes in market prices are influenced by external factors such as the economic level, political drive, rumor, newspapers, and corporate fundamentals, which indirectly influence people's internal feelings, leading to feelings such as greed, fear, expectations, and egotistical feelings to make trading decisions.