Berkshire Hathaway shares set new high following record profit

Berkshire Hathaway's shares reached a record high after reporting the highest-ever quarterly profit, driven by improved insurance operations. Class A shares soared 4% to $747,485.49. Full-year operating profit rose 27% to a record $47.44 billion. Warren Buffett attributed this to better underwriting at Geico. Analysts raised their outlook for Berkshire's future performance.