Saudi Arabia raised the cost of its oil sales to Asia in February, prompting speculation the world’s biggest exporter is retreating from using record price discounts to defend market share. Saudi Arabian Oil Co. will sell its Arab Light grade for $1.40 a barrel less than a regional average next month, the company said yesterday in a statement. That’s a narrowing from January, when the discount was $2, the biggest in at least 14 years. It decreased 11 prices globally and increased six. Brent oil fell 5.9 percent yesterday. Oil prices collapsed 32 percent since the Organization of Petroleum Exporting Countries decided to maintain its output target on Nov. 27, amid signs Saudi Arabia and other members are determined to let North American shale drillers and other producers share the burden of reducing an oversupply. When Aramco lowered prices for November it prompted speculation the nation was seeking to […]