We're constantly told that diversification is the only free lunch in finance. Yet most of the world's top investors choose not to eat it. Warren Buffett, Charlie Munger, John Maynard Keynes, Lou Simpson, George Soros. All run concentrated portfolios. The guest on this week’s episode of the Rules of Investing is similarly esteemed, with a similarly concentrated portfolio.  Claremont Global's Bob Desmond runs a portfolio of just 10-15 "quality growth" stocks.   What's more of the stocks he owned during the 'free money' period of high liquidity and high growth are the same stocks he owns today. In today's episode, Bob explains why quality growth is the best strategy in all markets, why investors shouldn't react to the news cycle, why nVidia might not be overpriced despite its enormous run, and the one stock he would love to own "forever".    Here's a preview of what you can expect.