Russia. Global oil prices could reach a “stratospheric” $380 a barrel if US and European penalties prompt Russia to inflict retaliatory crude-output cuts, JPMorgan Chase & Co. analysts warned. The Group of Seven nations are hammering out a complicated mechanism to cap the price fetched by Russian oil in a bid to tighten the screws on Vladimir Putin’s war machine in Ukraine. But given Moscow’s robust fiscal position, the nation can afford to slash daily crude production by 5 million barrels without excessively damaging the economy, JPMorgan analysts including Natasha Kaneva wrote in a note to clients. For much of the rest of the world, however, the results could be disastrous. A 3 million-barrel cut to daily supplies would push benchmark London crude prices to $190, while the worst-case scenario of 5 […]