247wallst.com reports that Berkshire Hathaway's Class B shares hit a record $579.09 on November 4, 2026, a 16.29% gain over 25 sessions while the S&P 500 stayed nearly flat and the Nasdaq fell about 4.2%, with no filing or company statement explaining the jump. 24/7 Wall St. judges that the market has accepted Greg Abel's new leadership, but argues the rally's case weakens if the November 7 quarterly report shows buybacks stopped, cash built up, or earnings slipped.