4月1日周二上午，安东油田服务（03337）股价出现显著下跌，盘中一度大跌5.22%。这一异动引起了市场的广泛关注。
根据交易数据显示，在上午9:35分左右，安东油田服务出现一笔大宗交易，成交量为360万股，成交价为1.16港元，涉及资金约417.6万港元。这笔大额卖单很可能是导致股价急剧下跌的主要原因。
值得注意的是，尽管出现大笔卖单，但安东油田服务的股价在早盘仍有小幅上涨。截至上午9:35，该股涨幅为0.87%，日内最高价达到1.19港元，最低价为1.15港元。总成交量为556.8万股，成交金额约647.762万港元。投资者应密切关注该股后续走势，并留意可能影响股价的其他因素。
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