Berkshire Hathaway, led by renowned investor Warren Buffett, has announced significant changes within its board of directors. On Friday, it was revealed that long-term director Ronald Olson will step down due to a newly implemented governance policy that sets a mandatory retirement age for board members.

Recent news regarding changes to the S&P 500 index has once again shifted the attention of investors towards several companies that have joined its ranks. As part of the latest quarterly rebalancing, DoorDash Inc., Williams-Sonoma Inc., TKO Group Holdings Inc., and Expand Energy Corp. are set to be added to the index, effective March 24.