Berkshire Hathaway Inc. Cl B

Berkshire Hathaway Inc. added positions in supplies producer Louisiana-Pacific Corp., funding financial institution Jefferies Monetary Group and chip producer Taiwan Semiconductor Manufacturing Co. Ltd. throughout…

OMAHA, Neb. — Warren Buffett’s firm accomplished its largest acquisition in years Wednesday with its $11.6 billion buy of the Alleghany insurance coverage conglomerate. The acquisition introduced in March will…

Shares of Occidental Petroleum Corp. continued to outperform its peer group and the broader inventory market after the oil- and gas-production firm disclosed that Warren Buffett’s Berkshire Hathaway Inc. retains…