EU lawmakers in tentative deal on accounting cap:

By Huw Jones LONDON (Reuters) - Companies would have to change their accountant every 25 years under a tentative deal ahead of Thursday's committee vote on a European Union audit market reform, two parliamentary sources involved in the talks said on Wednesday. If endorsed, it would mark a big dilution in the draft EU law and trigger relief among the "Big Four" accounting firms - Deloitte , Ernst & Young LLP , PwC and KPMG - who check the books of nearly all blue chip companies worldwide. ...