u*e2011-08-17 07:082 楼what's your borker? Mine is tdameritrade, it does not allow me to short at30 .【在 k*******a 的大作中提到】: 目前很爽
k*a2011-08-17 07:083 楼scottrade【在 u*****e 的大作中提到】: what's your borker? Mine is tdameritrade, it does not allow me to short at: 30 .