Key Points Sirius XM Holdings has a monopoly on satellite radio in the U.S. Constellation Brands includes major beer names such as Corona and Modelo. The Vanguard S&P 500 ETF gives you instant exposure to much of the U.S. economy. 10 stocks we like better than Sirius XM › Those familiar with Warren Buffett may know that he has increased the value of his company, Berkshire Hathaway, by an annual average of around 20% over the past 60 years. That's pretty amazing, given that the stock market has av ...