Food The food index increased 0.1 percent in August, after rising 0.2 percent in each of the previous 2 months. The index for food at home was unchanged in August. Two of the six major grocery store food group indexes increased over the month while the other four indexes declined in August. The index for meats, poultry, fish, and eggs rose 0.8 percent in August as the index for eggs increased 4.8