Marks & Spencer, Facebook, Jaguar: Everything that matters this morning

Marks & Spencer to report clothing sales slump
Marks & Spencer is expected to post a 3% slump in its clothing and homewares sales as the festive revival appears short-lived.
Reporting results for the first quarter of 2017 on Wednesday (24 May), the high street retailer is also expected to reveal a sharp fall in annual profits and a small decline in its underlying food business.
These results come after a successful festive period during which Marks & Spencer saw a 2.3% jump in clothi