关于Barclays Capital analyst online application

我apply for analyst, 做过了两个tests之后，在application under review的时候就被拒了。原因不太明确，他们发的邮件上写，got other candidates whose skill more closely match their requirements.

请有经验的大侠出来指点一下

What are the skills they require?

诚挚感谢！！