From  $4 to $6.80 but the volume was 8 times normal
The stock more then doubled and huge volume


The volume is very  impressive
From $3.50 to $21.70 and note the many days of heavy volume






From $2 to $13 in a few days with over 10 million shares traded. This is the company Aaron Zhu is now co CEO of - used to be with Dichain and CTGLF
  

                          From $4 to $14 and again note the volume




Not  quite a double of price on this one but very heavy  volume
This company received about $85 US million in government IT contracts last year and is trading at a PE of only about 6 right now as they may earn $0.35