拉马尔户外广告（LAMR）在周四盘后交易中股价大涨5.50%，引起市场广泛关注。
此次股价上涨主要源于投资界传奇沃伦·巴菲特旗下的伯克希尔哈撒韦公司对拉马尔户外广告进行了建仓。伯克希尔哈撒韦作为全球最著名的投资公司之一，其投资动向往往被视为重要的市场信号，因此这一消息极大地提振了投资者对拉马尔户外广告的信心。
值得注意的是，伯克希尔此次建仓并非仅针对拉马尔户外广告一家公司。市场数据显示，伯克希尔建仓的其他股票在盘后交易中也出现了明显上涨，其中联合健康涨幅接近8%，纽柯钢铁上涨近7%，莱纳建筑涨幅超过4%，霍顿房屋与拉马尔户外广告均上涨超过3%。这一系列股价变动反映出市场对伯克希尔投资决策的积极反应，也凸显了巴菲特的"点金效应"仍然强劲。
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