Saudi Arabia's Tadawul All-Share index (TASI) slipped 1.39 percent on Tuesday to close on 6,283.31 led by the petrochemical sector, which fell 2.23 percent. Sabic, the world's largest chemical firm by market value, had the day's biggest loss, down 3.94 percent. Overall, 20 stocks rose while 17 declined. Elsewhere in the region, Dubai stocks fell for a second time this week, leading a decline in global markets, on concern the world economy is struggling to emerge from recession. Abu Dhabi's ADX General Index slid 1 percent. The Kuwait Stock Exchange Index retreated 0.2 percent and Qatar's DSM 20 Index lost 1.4 percent. Oman's MSM30 Index dropped less than 0.1 percent and the Bahrain All Share Index gained 0.2 percent. Emaar Properties PJSC, the United Arab Emirates' biggest property developer, tumbled 7.3 percent. A “bounce” in Dubai house prices in the third quarter may not indicate a continuing recovery, Colliers International said on Tuesday. The DFM General Index lost 5 percent, biggest fluctuation of 89 benchmark indexes tracked globally by Bloomberg, to 2,075.46. The measure has dropped 5.6 percent this week.