 Shares of China Finance Online Co. NASDAQ:JRJC traded up 18.3 during trading on Wednesday . The company traded as high as 9.10 and last traded at 7.23, 445,256 shares traded hands during mid-day trading. An increase of 1,257 from the average session volume of 32,801 shares. The stock had previously closed at 6.11. The firm ... 