In an unexpected move seen as bullish by futures traders, Saudi Aramco lifted the official selling price (OSP) of its flagship Arab Light crude grade to Asian customers for May loadings. Aramco raised the OSP for Arab Light for Asia next month by $0.10 a barrel compared to April prices, to a premium of $1.20 to the Oman/Dubai Middle East benchmark. For April, Saudi Arabia had cut the OSP for Arab Light for Asian customers by $0.55, the first cut in eight months, and a sign that it continues to fight for market share. The Saudi pricing usually sets the trend in the OSPs of the other Middle Eastern producers, so they are closely watched by the market. Earlier this week, a Reuters survey of six refiners and traders showed that they expected Saudi Arabia to cut its OSPs for all its crude grades bound for Asia next month. […]