周五盘中，第一联合（UniFirst，股票代码：UNF）股价出现大幅下跌，跌幅达5.40%，引发市场关注。
造成股价下跌的主要原因是投资银行巴克莱下调了对第一联合的评级。根据最新报告，巴克莱将第一联合的评级从"持股观望"下调至"减持"，同时将目标价从180.00美元大幅下调至152.00美元。这一评级调整反映了巴克莱对公司未来前景的担忧，进而引发了投资者的抛售情绪。
值得注意的是，第一联合是一家为美国、加拿大和欧洲企业提供工作场所制服、防护服以及其他工作场所产品和服务的公司。公司业务涵盖租赁和清洁服务、制造、特种服装租赁和清洁、急救用品供应等多个领域。巴克莱此次下调评级可能会对公司在这些业务领域的发展前景产生影响，投资者应密切关注公司未来的经营状况和财务表现。
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