Excel is the duct tape and skill on pivotal table will be impressive. In addition, touch typing gives you advantage. I'm not a 高手 but my wife really is and she works as a senior financial analyst.
http://blog.wenxuecity.com/myblog/54694/201303/27619.html
Good luck
http://blog.wenxuecity.com/myblog/54694/201303/27619.html
Good luck