At the end of a roller-coaster session on Wednesday, the DFM General Index closed 0.40% higher at 2,531.83 points. Emaar closed flat at Dhs5.75. Drake and Scull International fell 0.90% to Dhs1.12. Earlier in the day, the global contracting firm said, it signed on Tuesday a letter of award to execute a Dhs251m engineering contract for a major government facility in the Emirate of Abu Dhabi. , signed today a letter of award to execute a AED 251 million Engineering contract for a major government facility in the Emirate of Abu Dhabi. The scope of the contract includes electro-mechanical works of the hardscape and landscape components of the facility scheduled to be completed in 2014. Khaldoun Tabari, CEO of Drake & Scull International said, DSI has managed to secure Dhs6.1bn worth of contracts across the region year to date. "Abu Dhabi continues to add momentum to our growth strategy in 2013 and we aim to further cement our strategic position in this promising market that represents lucrative potentials to our business streams across all sectors." Earlier in the year, Tabari said that out of DSI's total workforce in the UAE 1,500 of its staff was located in Dubai and around 6,000 in Abu Dhabi - a stark contrast to the 4,000 in Dubai and 3,000 in Abu Dhabi a couple of years ago.