Lennar is trading 4.23% higher at $79.08 after reports that Berkshire Hathaway increased its stake in the homebuilder. - Latest SEC disclosures described the additional buying, and coverage linked Lennar’s rise to the news. - The move comes despite weak housing data, with September housing starts falling 5.2%. - A broader real-estate rally and easing-yield tailwinds may also support shares, though the reported Berkshire stake increase is the clearest company-specific catalyst.