Walmart reported strong fourth-quarter earnings, surpassing Wall Street's expectations with an earnings per share (EPS) of $1.80, up from $1.71 a year earlier, against forecasts of $1.63, and revenue of $173.39 billion, up from $164 billion last year, against forecasts of $170.71 billion. This performance is attributed to a 4.0% increase in U.S. comparable sales, driven by a 4.3% rise in transactions, although the average ticket size saw a slight decrease of 0.3%. E-commerce sales soared, contributing significantly to the results, with Walmart's U.S. web sales increasing by 17%, reaching a new high of 16.5% of total sales. The retailer also announced a strategic acquisition, buying Vizio for $2.3 billion, a move seen as a significant advertising and data play, potentially impacting competitors like Roku. Additionally, Walmart's international sales growth was notably driven by its units in Flipkart, Mexico, and China, with international net sales rising to $32 billion in Q4 from $27 billion a year ago. The stock was up 3% Pre Market following the announcement.