發送短信 : The information content of firms switching from section 2 to section 1 of the Tokyo stock exchange

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