Saudi Arabia kept the price of its flagship crude grade for shipping to Asia in December unchanged from November’s pricing in a widely expected move amid weakening refining margins. Saudi Aramco, the world’s top crude oil exporter, set the price of its flagship Arab Light grade loading for Asia in December at $4.00 per barrel above the Oman/Dubai average, the Middle Eastern benchmark, off which grades going to Asia are being priced, according to a statement by the oil giant quoted by Reuters. The Saudi decision to hold the…