1. BRK-B shares lagging S&P 500 by 5.5 percentage points post-Buffett's announcement. 2. Berkshire's B shares fell 14.9% then rebounded 9.9% in three months. 3. Year-to-date performance shows BRK-B at 11.3% vs S&P's 37.9% gain. 4. Greg Abel will succeed Buffett as CEO in 26 days. 5. Charitable Giving Pledge lacks sufficient execution from wealthy participants.