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10月25日 - ** 医疗设备制造商Dexcom 股价盘前下跌约7%，至69美元
** 收盘前该股在标普500指数 成分股中跌幅最大
** 该公司在周四盘后报告称， (link)，第三季度美国销售额下降了2%，并重申了全年销售额预期。
** 但第三季度整体收入和利润超出分析师预期
** Leerink Partners 的分析师 Mike Kratky 说："在公司似乎制定了相对保守的指导之后，维持展望可能会让一些投资者感到失望"。
** 7 月 26 日，DXCM 下调年度营收预期，股价下跌约 40%，创四年新低；截至收盘，股价已上涨约 16%。
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