美股周二交易时段整体承压之际，思佳讯（SWKS）股价逆势下挫1.96%，收报72.97美元。标普500指数当日下跌0.40%至6243.76点，道琼斯工业平均指数跌幅达0.98%，收于44023.29点。
此次下跌标志着该股遭遇连续第三个交易日下挫。当前股价较7月16日创下的52周高点120.86美元已缩水39.62%，凸显估值回调压力。
横向对比同业表现，思佳讯明显落后：博通（AVGO）逆势上涨1.94%至280.94美元，高通（QCOM）微升0.01%至154.30美元，亚德诺半导体（ADI）虽下跌1.25%至240.42美元，跌幅仍小于思佳讯。
成交量数据同样传递警示信号——当日200万股的交易量较50日均量350万股缩水逾四成，流动性显著减弱。市场分析人士指出，半导体板块分化加剧背景下，投资者正加速调仓步伐，资金流向具备更强盈利确定性的标的。
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