The Abu Dhabi benchmark ADX General Index dipped 0.10 per cent to close at 2,416.04 points. Gulf Cement Company posted the largest gain (up 9.41 per cent at Dhs0.93) on a new waste heat recovery joint venture with ThyssenKrupp Industries India, a subisidary of Germany s largest steel company. Aldar Properties, Dana Gas and RAK Properties closed unchanged. Finance House posted the largest drop (off 9.22 per cent at Dhs3.25). Some 28m shares worth Dhs 37mchanged hands.