★有助于对个股作详细考察

★有助于投资者理性思维

★有助于提高投资回报率

★有助于对高概率事件下大赌注

★有助于最大限度地降低风险

★有助于收益概率大于亏损概率

★有助于降低资金周转率

★有助于应付股价不正常波动

★有助于投资一个成功一个