YOU can’t fault the Organisation of the Petroleum Exporting International locations for its communication. On Could third it and its allies (OPEC+), which provide 40% of the world’s crude oil, introduced that they’d crank up output by 411,000 barrels a day (b/d) in June—triple what analysts had anticipated, and equal to 0.4% of world demand. World costs briefly sank under $60 a barrel, nearing four-year lows; they continue to be 6% under their stage of April twenty eighth, when rumours of a provide increase first emerged. In an announcement, the group gave an easy cause for its determination: “wholesome market fundamentals”.