周二盘中，流媒体设备制造商Roku Inc（ROKU）股价出现显著上涨，截至发稿时涨幅达7.7%，引发市场广泛关注。
此次股价上涨主要受益于分析师的积极评级。知名投资研究公司Redburn Atlantic将Roku的股票评级从"中性"上调至"买入"，同时给出100美元的目标价。这一利好消息极大提振了投资者信心，推动Roku股价大幅攀升。
作为美国最大的流媒体操作系统提供商，Roku在流媒体市场占据重要地位。公司数据显示，Roku覆盖了超过一半的美国宽带家庭，拥有超过9000万个流媒体用户。除了硬件销售外，Roku还通过广告和内容分发获得收入。分析师的评级上调表明，市场对Roku在竞争激烈的流媒体行业中的前景持乐观态度。
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