Retail bellwether Walmart Inc WMT.N on Tuesday raised its annual forecasts, banking on resilient demand for groceries and discounts to attract inflation-hit consumers. Adds details on results, background Nov 16 (Reuters) - Canadian retailer Loblaw Cos Ltd L.TO raised its annual earnings forecast on Wednesday as groceries and drugs continue to see robust demand despite higher prices. As a cost-of-living crisis grips Canada, retailers are leaning on sales of food, medicines and other essentials to offset a slowdown in demand for more expensive purchases such as clothing and electronics.