According to CNBC, Berkshire Hathaway's stock price closed at a record high for the fourth consecutive time. Since the start of Q4 trading on October 1st, Class A shares have cumulatively surged 19.1%, hitting record closing highs 11 times during the period; both Class A and Class B shares rose 3.9% for the week. The report also stated that the company is expected to disclose its third-quarter 13F filing on Monday, which will confirm whether its stake in Bank of America has been further reduced.