I had a 'Sell' rating on Costco (NASDAQ: COST ) in my initiating coverage of the stock. This view has not played out so far since COST has outperformed the S&P500 ( SPY ) (Providing alpha-generating investment ideas. I am an independent investor managing my family's portfolio, primarily via a Self Managed Super Fund. You can expect my articles to deliver a clearly structured, evidence-based thesis. But first and foremost, I encourage readers to judge me on my performance.I have a generalist approach as I ex ...