Fitch: Carrefour's Klepierre Malls Acquisition is Positive; No Immediate Rating Impact
UPDATE 6-BA cancels flights from London as global IT outage causes chaos
* BA latest to be hit by computer problems (Adds comment by BA's chief executive)
GM says ISS advises against Greenlight share plan, board nominees
May 27 General Motors Co said on Saturday that proxy advisory firm Institutional Shareholder Services has recommended that shareholders vote against a slate of directors proposed by hedge fund Greenlight Capital and reject the hedge fund's plan to divide GM shares into two classes.