Should You Buy Warren Buffett's High-Flying Mystery Stock?

There's no longer a mystery about which stock Buffett has been buying hand over fist. However, Berkshire spilled the beans in May. The giant conglomerate revealed that it had accumulated a 6.4% stake in property and casualty insurer Chubb (CB -1.08%) worth more than $6.7 billion at the end of the first quarter of 2024. It's now Berkshire's 10th-largest holding. Why does Buffett like Chubb? Buffett has long held insurers near and dear to his heart. He often sings the praises of Geico (and pitches its product ...