Retailer Costco Wholesale Corporation (NASDAQ:COST) reported third-quarter financial results after market close Thursday. Here are the key highlights. What Happened: Costco reported third-quarter revenue of $58.52 billion, up 9.1% year-over-year. The revenue total beat a Street consensus estimate of $58.07 billion, according to data from Benzinga Pro. Net sales, which didn't include membership fees, were $57.39 billion, up 9.1% year-over-year. The company said net sales were positively impacted by 0.5% to 1.0% due to a shift in the fiscal calendar. Costco reported earnings per share of $3.78 for ...