Grocery giant Kroger Co. KR is making an aggressive push to win over cost-conscious shoppers, revealing it has lowered prices on more than 3,500 products since the beginning of the year.The move comes as the company reported mixed second-quarter earnings and raised its full-year sales forecast, signaling confidence in its “back to basics” strategy.Check out Kroger’s stock price here. Kroger Aims To Simplify Value PropositionThe strategic price investments are at the core of Kroger's plan to simplify its val ...