The Abu Dhabi market index ADXGI added 0.29 to close at 2,685.30. Abu Dhabi National Energy Co. or Taqa reached another 2010 new high by gaining 2.24%, finishing at Dhs1.37. Oil prices surged over $83 Wednesday, the highest level since May 2010. Industry shares performed overall weaker such as National Marine Dredging Co. (off 9.31% to close at Dhs8.41).