UPDATE 1-Greece's Piraeus Bank buys BCP's Greek unit Reuters ATHENS, April 22 (Reuters) - Greece's second-largest lender Piraeus Bank will buy Portuguese lender Millennium BCP's Greek business for 1 million euros ($1.31 million) as part of consolidation efforts to cope with the debt crisis. Piraeus's ... Portugal's BCP bank sells Greek unit to Piraeus Pireaus Bank signs deal to buy BCP΄s Greek unit |