By Martin Baccardax Walmart defied supply chain disruptions, wage increases in input costs with stronger-than-expected holiday quarter earnings and a modest dividend boost. Walmart (WMT) – Get Walmart Inc. Report posted stronger-than-expected fourth quarter earnings Thursday, including record U.S. revenues, as the world’s biggest retailer continues to manage supply chain disruptions and wage pressures without a meaningful increase in overall prices. Walmart said adjusted earnings for the three months ended in December came in at $1.53 per share, rising 4.8% from the same period last year and j…