Spanish government 'hires Goldman Sachs to value Bankia' Spanish newspaper Expansion said on Friday that the US bank will review Bankia's and its parent company BFA's books and determine within a month how much the state should inject to refloat the lender, which had to be rescued after its auditor, Deloitte, identified several gaps in last year's accounts. Moody's Investor Service carried out a sweeping downgrade of 16 Spanish banks on Thursday, including Banco Santander, the euro zone's largest, citing a weak economy and the government's reduced ability to support troubled lenders. All the banks' long-term debt ratings were downgraded by at least one notch, and some suffered three-notch cuts.