Chubb became Berkshire's ninth biggest holding at the end of March, according to a new regulatory filing.
AST SpaceMobile — Shares rocketed 33%.
Cisco Systems — Shares jumped nearly 5% after the IT giant reported fiscal third-quarter adjusted earnings of 88 cents per share on revenues of $12.70 billion.
The results topped analysts' estimates for earnings of 82 cents per share on revenues of $12.53 billion, according to LSEG.
Palo Alto Networks — The cybersecurity company saw its stock rise 1% after announcing it will buy cloud security software assets from IBM .
Persons:
Chubb, Berkshire Hathaway, Riley, Hawkins —, — CNBC's Scott Schnipper
Organizations:
AST, Cisco Systems —, Riley, Management, Alto Networks, IBM, Palo Alto
Locations:
Zurich, Los Angeles, Hawkins — The Minnesota, Palo