Try to establish the value of a company.
Fear and greed tend to affect one's judgement.
Be careful of leverage. It can go against you.
When it comes to investing, my suggestion is to first understand your strengths and weaknesses, and then devise a simple strategy so that you can sleep at night!
Each year we buy stocks and they go up, we sell them and then we try to buy something cheaper.
Fear and greed are probably the worst emotions to have in connection with the purchase and sale of stocks.