If you gamble on the stock market, you are an investor... If you gamble on the derivatives market, you are a trader... If you gamble at the casino, you are a loser... Morality?
如果你在股票市場上賭博，你是個投資者...如果你在衍生性金融商品市場上賭博，你是個商人...如果你在賭場上賭博，你是個失敗者...道德？