BP shares are down more than 4 per cent after $5bn of writedowns disappointed investors. Lex's Stuart Kirk and Vincent Boland drill down through the one-off factors to determine how well or not the oil company is recovering from its recent serious setbacks.<br /><br />For more commentary from the Lex team, visit http://www.ft.com/lex <br /><br />Relate article: http://www.ft.com/cms/s/0/3ea10854-dadd-11e1-8074-00144feab49a.html<br /><br />http://www.FT.com/
