A US appeals court ruled in favor of Berkshire Hathaway (NYSE:BRK.B) subsidiary PacifiCorp, potentially cutting wildfire related liabilities by more than US$1b. The ruling limits how much PacifiCorp may have to pay in certain wildfire lawsuits, easing a major legal overhang for the utility business. This decision affects a key part of Berkshire's regulated energy operations and reshapes the risk profile tied to past wildfire claims. Berkshire Hathaway, through its PacifiCorp utility arm, is...