Read the Oracle has a 42% weighting in banks. Eclipsing the much reported Apple holding. He also holds a large amount of cash. He views the banks as an oligopoly. A step down from a monopoly I guess. But the same as a cartel only less players. Banks still sporting an attractive valuation in his mind. Article says buy the XLF if you want to be like Warren without buying berkshire stock. He stays under radar with <10% on each bank.