發送短信

數:

提供者:

CAPTCHA:

  ____      ______             __   __    ____    
 |  _ \\   /_   _//     ___    \ \\/ //  |  _ \\  
 | |_| ||   -| ||-     /   ||   \ ` //   | |_| || 
 | .  //    _| ||_    | [] ||    | ||    | .  //  
 |_|\_\\   /_____//    \__ ||    |_||    |_|\_\\  
 `-` --`   `-----`      -|_||    `-`'    `-` --`  
                         `-`

Please enter what you see:

發送短信 : High frequency trading and market quality : an analysis on Dow Jones industrial average and its component stocks