Warren Buffett’s Berkshire Hathaway (BRK.B, $302.82) was once again net buyers of stocks for the three months ending June 30.  Berkshire spent $3.8 billion on stocks in the second quarter, less than the $41 billion it netted in equity acquisitions in the first three months of 2022 after deducting sales.  In July, Berkshire Hathaway increased its stake in Occidental oil