OPEC is breaking down into two camps after more than a year of unity. On one side is Saudi Arabia, which wants oil prices at $70 a barrel or higher, and on the other is Iran, which wants them around $60.

The split is driven by differing views over whether $70 a barrel sends U.S. shale companies into a production frenzy that could cause prices to crash. At stake is the Organization of the Petroleum Exporting Countries’ production limits, which are among factors helping the oil market’s monthslong recovery.

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