半导体设备和测试公司Onto Innovation Inc.（股票代码：ONTO）今日盘中暴跌23.54%，延续了盘前和夜盘的跌势，尽管公司最新公布的季度业绩超出市场预期。这一剧烈的股价波动引发了投资者的广泛关注和担忧。
根据公司发布的财报，截至3月31日的季度调整后每股收益为1.51美元，高于分析师平均预期的1.47美元，同时显著超过去年同期的1.18美元。公司营收同比增长16.5%，达到2.6661亿美元，略高于分析师预期的2.663亿美元。然而，这些亮眼的业绩数据似乎未能提振投资者信心。
分析人士指出，造成股价暴跌的原因可能有多方面。首先，过去三个月分析师的平均盈利预期下降了约1.7%，这可能暗示市场对公司未来表现的预期有所降低。其次，公司今年迄今股价已大幅下跌，反映出投资者可能对整体半导体行业前景持谨慎态度。此外，部分投资者可能选择在良好业绩公布后获利了结，导致股价承压。尽管分析师仍对Onto Innovation保持乐观，给予"买入"评级，但在当前市场环境下，投资者需密切关注公司未来的业绩指引和行业动态，以评估其长期投资价值。
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