By Jess Jones Irish food-to-go company Greencore has upgraded its operating profit guidance, ahead of current market expectations, and launched a £30m share buyback programme. Greencore, which sells products such as sandwiches, salads and sushi, now expects adjusted operating profit in a range of £86-88m for the full year 2024, especially as its “seasonally stronger second half” still lies ahead. This is an upgrade on the range of £80.5m to £85m it said it was expecting for the full year during itsfirst quarter results. The company said adjusted operating profit soared over 600 per cent in the…