 Shares of BIOLASE Inc NASDAQ:BIOL were up 4.5 during trading on Tuesday . The company traded as high as 0.33 and last traded at 0.32. Approximately 1,940,867 shares were traded during mid-day trading, a decline of 54 from the average daily volume of 4,261,737 shares. The stock had previously closed at 0.30. A number of ... 