5月20日，Onto Innovation盘中上涨5.03%，报259.34美元/股，成交额1.68亿美元。
消息面上，公司此前连续两日因宣布11亿美元可转换优先票据发行引发稀释担忧而大幅下挫逾10%。该票据募集资金将用于封顶看涨期权交易、最多3亿美元股票回购及一般运营用途，部分对冲稀释影响。同时公司二季度营收指引3.20亿至3.30亿美元，高出分析师预期约8%，基本面支撑仍在。当日半导体设备板块集体走强，拉姆研究涨5.74%、阿斯麦涨5.09%、科磊涨4.02%、应用材料涨3.9%，板块联动带动公司超跌反弹。
（以上内容均基于市场公开消息，由程序或算法智能生成，仅作为股价异动提醒，不作为投资建议或交易依据。）
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