Second-quarter results from large retailers will continue to highlight this week's earnings lineup with Walmart (WMT)  set to release its Q2 report on Thursday, August 15.Notably, Walmart’s Zacks Retail-Supermarkets Industry is currently in the top 11% of approximately 250 Zacks industries. As a prime beneficiary of its strong business environment, Walmart's stock currently sports a Zacks Rank #2 (Buy) with now appearing to be an ideal time to invest in the omnichannel giant.Walmart’s Q2 Expectations Based ...