Lennar is a forever holding for me.Warren Buffett's company, Berkshire Hathaway, made a rather sizable bet on the housing market earlier this year. The investment firm bought $800 million of Lennar (LEN 0.18$191.5 million of shares in fellow homebuilder D.R. Horton. While Buffett's company would exit its D.R. Horton position a quarter later, Berkshire boosted its stake in Lennar to $910 million. Berkshire Hathaway appears to be making a more short-term b ...