By Bret Kenwell Walmart stock is getting hit hard after the retail giant cut its Q2 and full-year guidance. Check the chart. Walmart (WMT) – Get Walmart Inc. Report shares are down about 8% in Tuesday’s session after the latest disappointing announcement from the retail giant. After the close on Monday, Walmart said it cut its second-quarter and full-year guidance, explaining that “increasing levels of food and fuel inflation are affecting how customers spend.” Further, currency headwinds are hurting profit. The news clearly took investors off guard; Walmart wasn’t expected to report earnings …