Spanish utility Iberdrola SA (<a href="https://www.bolsasymercados.es/bme-exchange/es/Mercados-y-Cotizaciones/Acciones/Mercado-Continuo/Ficha/Iberdrola-ES0144580Y14" target="_blank">BME:IBE</a>) on Monday placed EUR 2.15 billion (USD 2.39bn) in senior bonds, selling them like hot cakes to fund its expansion in the UK.