Costco shares muted after mixed earnings results

Group 1 - The core point of the article is that Costco's fourth-quarter sales fell short of Wall Street's expectations, despite the company reporting a per-share profit that exceeded forecasts [1] Group 2 - Costco is a membership warehouse retailer that has reported its financial performance for the fourth quarter [1] - The sales figures for the fourth quarter did not meet the estimates set by analysts on Wall Street [1] - The per-share profit reported by Costco was higher than what analysts had anticipated [1]