DUBAI / Reuters Stock markets in Saudi Arabia and Qatar posted broad-based gains on Sunday after OPEC and non-OPEC oil producers a day earlier reached their first deal since 2001 to curtail oil output jointly in a drive to prop up prices. It is not clear whether oil prices can rise much further in response to the deal, and …

  Bloomberg The most aggressive high-frequency currency traders are showing signs of losing steam, suggesting platforms have succeeded at thwarting some speedy strategies. Electronic specialists are making waves by eclipsing major banks in foreign-exchange trading. But some strategies — focused on fast execution and short-term arbitrage — have reached a “saturation point,” according to the Bank for International Settlements. At …

  Dubai / Emirates Business Dubai World Trade Centre (DWTC), the leading destination for business and trade events in the region, will have hosted a total of 63 consumer and entertainment events until the end of 2016, welcoming over one million visitors. This diverse calendar of entertainment events, ranging from theatrical performances and music festivals to consumer shows and sporting …