Warren Buffett Investments Financial Performance Succession Planning Pilot Travel Centers Leadership Subsidiaries Acquisitions Investment Philosophy Leadership Change Investing Acquisition Accounting Practices Stock Price Trial Successor Pilot Flying J Pilot Corp. Pilot Travel Centers LLC Ownership Investment Stock Performance CEO Warren Buffett Earnings Earnings Performance Annual Meeting Shareholder Confidence Future Challenges Cash Management Spirit Airlines Shares Corporate Governance CEO Charlie Munger Stock Ownership Net Worth Philanthropy