The majority of unskilled investors stubbornly hold onto their losses when the losses are small and reasonable. They could get out cheaply, but being emotionally involved and human, they keep waiting and hoping until their loss gets much bigger and costs them dearly.”
The key to trading success is emotional discipline. If intelligence were the key, there would be a lot more people making money trading… I know this will sound like a cliche, but the single most important reason that people lose money in the financial markets is that they don’t cut their losses short.”
Some people say, “I can’t sell that stock because I’d be taking a loss.” If the stock is below the price you paid for it, selling doesn’t give you a loss; you already have it.
When I became a winner I went from ‘I figured it out, therefore it can’t be wrong’ to ‘I figured it out, but if I’m wrong, I’m getting the hell out, because I want to save my money and go on to the next trade.'”