BP will slash over 5% of its global workforce as part of CEO Murray Auchincloss’ efforts to reduce costs and rebuild investor confidence after the energy giant was rocked by scandal, the company said Thursday.Around 4,700 employees and 3,000 contractor positions will be cut this year from a workforce of around 90,000, according to an an internal memo seen by Reuters.BP shares were up 1% in morning trading. 4 BP is laying off 5% of its workforce, according to its CEO. APAuchincloss last year said he would ...