Berkshire Hathaway, founded by Warren Buffett and now led by Greg Abel, purchased nearly 2.7 million shares of Lennar's Class A stock over the three trading days ending Monday, bringing its total holdings to 23.7 million shares valued at $1.8 billion. Lennar's stock price surged by as much as 6.6% on Tuesday. CFRA analysts believe this move is a classic Berkshire Hathaway value investing strategy, betting on undervalued assets at a time when the industry is under pressure due to rising interest rates and declining housing affordability.