However, when several insiders are buying, like in the case of NCC Group plc (LON:NCC), it sends a favourable message to the company's shareholders. Although we don't think shareholders should simply ...

As Costco continues to outperform, its valuation has continued to expand. The stock now trades at a forward price-to-earnings (P/E) ratio of 57.5. Costco's stock has always had a premium valuation, ...