By Jesús Aguado MADRID (Reuters) -Spain’s Bankinter on Thursday forecast broadly stable lending income in 2024 on expectations for lower interest rates, after fourth-quarter results missed forecasts, triggering a sharp drop in shares of other Spanish lenders. At 1039 GMT shares in Bankinter were down 6%, while Spain’s blue-chip index fell 1%. Other Spanish lenders, such as Caixabank and Sabadell, fell around 3%. Spanish banks mainly lend to retail clients and have benefited from passing on the higher costs of loans tied to variable interest rates to customers, while keeping a lid on the rates …