The S&P 500’s energy sector saw a unanimous rally in midday trading Monday, as reports that an large oil-producing cartel plans to cut production provided a big lift to crude oil prices. The SPDR Energy Select Sector exchange-traded fund ran up 5.0% with all 21 components gaining ground. The ETF’s biggest gainer was Marathon Oil Corp.’s stock , which climbed 9.2%, toward the biggest one-day gain since it soared 13.6% on June 21, 2021. Of the ETF’s most active components, shares of Occidental Petroleum Corp. rallied 5.4% and Exxon Mobil Corp. hiked up 4.5%. The worst performer was Kinder Morgan Inc.’s stock , which gained 2.2%. Chevron Corp.’s stock ran up 5.0% to pace the Dow Jones Industrial Average’s gainers. Meanwhile, crude oil futures charged up 3.9%, after reports over the weekend that the Organization of Petroleum Exporting Countries (OPEC) and their allies, known as (OPEC+), is considering cutting production by more than one million barrels a day to stem the recent price decline.

Market Pulse Stories are Rapid-fire, short news bursts on stocks and markets as they move. Visit MarketWatch.com for more information on this news.