BANK SCANDALCaja Madrid hid report on preferred share riskIndependent study pointed out the high volatility of product sold to bank clientsFrancisco MercadoMadrid - Feb 24, 2014 - 13:06Updated Feb 24, 2014 - 13:07CETWhatsappFacebookTwitterLinkedinPreferred shareholders protest outside High Court building in Madrid. Samuel Sánchez