Higher sales, both in stores and online, pushed up Costco’s (COST) fourth-quarter earnings, which came in line with Wall Street estimates. Meanwhile, the earnings report said the company detected a ‘material weakness’ in its internal control over financial reporting, causing a stock selloff in the after-market. Costco Wholesale Corp. Q4 2018 earnings Infographic “While the … Continue reading Costco Q4 sales beat; stock falls amid warning of ‘weakness’ in financial reporting