Shares in UniCredit (CRDI.MI) soared 15 percent after a brief suspension from trading on the Milan bourse on Thursday, with traders citing a report on a Kazakhstan investor in the Italian bank and a Blackrock (BLK.N) statement on Wednesday.

Source: Reuters

http://www.reuters.com/article/2012/01/12/us-unicredit-shares-idUSTRE80B0NK20120112