股票虽然是资本的虚拟形态。但买卖股票本质上还是一种投资活动,如果缺乏对于投资对象的全面的系统的深入了解,就无法在准确判断的基础上作出正确的投资决策。 Although the stock is the virtual form of capital. However, the buying and selling of stocks is essentially an investment activity. Without a thorough and systematic understanding of the investment target, the correct investment decisions can not be made on the basis of accurate judgment.