WTI crude oil advanced 3.3% to US$47.72 per barrel for June delivery in New York Monday (May 16) on supply concerns. Brent crude also gained 2.4% to US$49 per barrel, lifting shares of oil and gas producers worldwide. Reference price of Indonesian thermal coal for May 2016, however, retreated to US$51.2 per ton, ending two consecutive months of rally. To subscribe please click here