Ocado shares jump after firm hikes sales outlook on M&S joint venture Retail Ocado shares jumped more than 10 per cent in early deals this morning after the company hiked its sales guidance. The retail arm of the London-listed group, Ocado Retail, a 50:50 joint venture between Ocado Group and Marks & Spencer Group, reported revenue growth of 15 per cent in the 13 weeks to 1 September [...]