Delivery company struggling to convince US chain Kroger, its most important customer, of the virtues of automation That’s quite a stock market journey: from 180p at listing 15 years ago to the mighty heights of £29 during the locked-down Covid year of 2020 and now – oh dear – all the way back down to 180p. Welcome to Ocado, which looked like the future of grocery retailing once upon a time but now seems to be struggling to convince its most important customer of the virtues of robots and automation. There is no positive gloss to put on news…