在周五交易时段，QuinStreet（股票代码：QNST）股价出现显著下跌，截至美东时间15:28，跌幅达到5.40%。这一跌势引起了投资者的广泛关注。
消息面上，投资银行Lake Street对QuinStreet的评级产生了变化。尽管维持了"持有"评级，但将目标价从27.00美元大幅下调至19.00美元。这一调整可能是导致股价下跌的主要原因之一，反映出分析师对公司未来表现的预期有所降低。
QuinStreet是一家专注于金融服务和家庭服务行业的市场营销和技术公司。公司主要通过为客户提供可衡量的在线营销结果来获取收入，包括客户获取、QuinStreet评级平台（QRP）和CloudControlMedia等产品和服务。近期财报显示，QuinStreet实现营业收入2.70亿美元，净利润4.42百万美元，每股收益0.08美元。然而，公司当前的市盈率为-1486.00倍，这一异常高的负值可能也引发了投资者的担忧。
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