Мова, якою перекладати: Англійська
They are used extensively because they are very reassuring. Bearing in mind the "Risk Pyramid," which is also an instrument used to evaluate the potential risk relative to one's own choices. Finally, the investors' sentiments are used to get an accurate idea of the market involved.
In conclusion: People distrust one another. Everyone seeks to know what the others intend to do within the stock market. Psychology is the key to success.