Walmart just gave all the recession mongers on Wall Street a huge adrenaline shot in the collective arm. The world's largest retailer slashed its second quarter and full-year profit outlooks late Monday owing to rampant inflation and a consumer retrenchment. Here's where Walmart stands compared to its guidance offered in mid-May: Second Quarter Net sales Growth: +7.5% (+5% previously) Second Quarter Operating Income: -13% to -14% (flat to up slightly) Second Quarter EPS: -8% to -9% (flat to up slightly) Full Year EPS: -11% to -13% (-1%) Walmart shares plunged 9% in after-hours trading. “The increasing levels of food and...