Strong gas trading, higher upstream production and liquefaction volumes, and increased refining margins are expected to boost Shell’s third-quarter earnings, the supermajor said in a trading update on Tuesday. Shell said in its third quarter 2025 update note that trading and optimization in its Integrated Gas division is expected to be “significantly higher” for the third quarter compared to the second quarter. Marketing adjusted earnings, as well as trading in the chemicals and fuels divisions, are also set to be…