Potato and frozen food specialist McCain has announced an investment of €350 million ($378 million) to bolster its production facilities in France. The investment is set to increase production in the country from 600,000 tonnes of finished products to roughly 750,000 tonnes. The company’s Harnes site is set to receive the bulk of the funds, but €30 million ($33.3 million) is also earmarked for the Bethune site’s new potato specialities …