A coalition of OPEC, Russia and allied oil-producing nations agreed Sunday to boost output by a larger-than-expected amount to help offset any shortfall from Iran amid this weekend's strikes.Why it matters: The OPEC+ boost of 206,000 barrels per day is an early sign of how producers and companies will respond to U.S. and Israeli strikes on Iran as the world ponders the effect on oil prices.Producers and companies also are anxiously watching the situation in the Strait of Hormuz and whether Irani...