http://bbs.wenxuecity.com/finance/3068948.html
报名请按固定格式,象这样:long AAPL long GOOG short FB
or:long AAPL long AAPL long AAPL
or:long INTC long INTC short BAC
不要这样:long AAPL, long GOOG, short FB
or:long AAPL; long AAPL; long AAPL
or:long INTC long ORCL
One space between two words,don't put any other symbols, picks 请用大写。