This investor rivals Warren Buffett — and you probably haven’t heard of him By: MarketWatch May 30, 2018 at 05:27 AM EDT The Berkshire Hathaway CEO so admired Lou Simpson that he suggested the Geico CIO could step in for him if needed. Read More >> Related Stocks: Allison Transmission Holdings Apple Axalta Coating Systems Ltd Berkshire Hathaway Berkshire Hathaway Cable One Inc CarMax Charles Schwab Charter Communications Inc Hexcel Corp Liberty Broadband Corp Sr C Liberty Global Ltd Ord C SBA Communications Sensata Technologies Holding N.V. Tyler Technologies