By Belén Carreño and Jesús Aguado MADRID (Reuters) -Spain will implement temporary taxes on power companies and banks that should rake in 7 billion euros ($7.02 billion) in 2023-2024 to help Spaniards cope with soaring inflation, the government said on Tuesday, triggering a selloff in some banking shares. Sabadell, which fell as much as 13% after the announcement, pared losses and closed with a decline of 7.4%, while Caixabank plummeted 8.6% and Bankinter fell 5%. Prime Minister Pedro Sanchez told parliament in a state of the nation speech that annual revenue in 2023 and 2024 from a tax on ext…