Often, they diversify by the seat of their pants, fail to adjust their portfolios to changing s, ignore tax issues and take a cov infamy flier on individual securities even when they know better.

• 他们常常凭着感觉做出多元化投资，未能根据价值的变化调整投资组合，忽略了税收问题，或在明知有风险的情况下还在个股上投机。