In the following video, Motley Fool contributor John Reeves takes investors through three stocks he just added to his own portfolio. He discusses the long-term healthy eating trend that led him to Whole Foods (WFM), how LinkedIn (LNKD.DL) is completely transforming the job-search market, and how the specialty insurer Markel (MKL 1.08%), and its similar business model to Berkshire Hathaway (BRK.A 1.11%) make it an attractive buy today.