The New York Stock Exchange’s September 18 pre-market update covers Warren Buffett’s planned departure as Chairman of Berkshire Hathaway, Harvey’s $550 million funding round and fintech entrepreneur Bill Harris’s launch of Evergreen.AI. Buffett, who has led Berkshire Hathaway (NYSE: BRK) since 1965, will immediately become chairman emeritus, while his son Howard Buffett replaces him as chairman. Harvey’s financing values the AI platform at $15.5 billion and is intended to support law firms, in-house legal teams and professional services during the next phase of AI adoption. Evergreen.AI provides personalized financial, retirement, investment and tax strategies in formats including charts, tables and side-by-side comparisons. Ashley Mastronardi delivers the update, while Harvey COO Katie Burke and Harris are scheduled to appear on NYSE Live. BlackRock and Citi are listed for Opening Bell and Closing Bell appearances marking Hispanic Heritage Month.