Kroger Co. was downgraded to hold from buy at Jefferies, with analysts expressing diminished confidence in the grocer's ability to turn its partnership with...Kroger Co. was downgraded to hold from buy at Jefferies, with analysts expressing diminished confidence in the grocer's ability to turn its partnership with... Kroger downgraded with analysts calling the grocer's 'costly' tech investment a 'misstep' - MarketWatch