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10月23日 - ** 医疗设备制造商波士顿科学公司 股价在早盘交易中 下跌3.5%，至84.97美元。
** 如果跌势不改，该股将创下自7月25日以来最糟糕的一天
** 该公司表示，由于 "一些意料之外的观察结果"，它已经暂停了一项关于其心脏设备Farapulse的试验，该试验是将其作为治疗持续性心房颤动的一线疗法。
** 持续性心房颤动是指心律异常持续一周以上。
** 然而，BSX 上调了财政年度的利润预期，预期范围为每股 2.45 美元至 2.47 美元，而之前的预期范围为每股 2.38 美元至 2.42 美元。
** 第三季度调整后每股利润为 63 美分，分析师预计为 59 美分 - LSEG 数据
** 截至上次收盘，股价累计上涨约 52
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