Economics Gold edged down on Tuesday, heading for its biggest monthly loss since May, after disappointing corporate earnings prompted investors to sell holdings to cover losses in other markets, which have been hurt by global economic uncertainty. More from Arabian Business Construction labor costs in Saudi Arabia are the highest in the GCC, a new research report has said. Labor costs in the Kingdom are on average 18 per cent higher than in the UAE, and 51 per cent greater than in Qatar, says the Q3 construction costs report by MEED. More from Gulf Business Most Arab oil exporting countries in the Gulf should plan to reduce growth in government spending to make their budgets more sustainable, as their combined surplus could turn into a deficit around 2017, the International Monetary Fund said on Monday. More from Gulf Business Fitch Ratings put Kuwait on warning that a