周二美股全线承压之际，百健公司（BIIB）股价暴跌4.21%至127.50美元，表现显著弱于同业竞争对手。标普500指数当日下挫0.40%收于6,243.76点，道琼斯工业平均指数则重挫0.98%报44,023.29点。
此次下跌使百健创下连续三个交易日收跌的疲软走势。当前股价较去年7月25日触及的52周高点236.48美元已累计下挫46.08%，凸显持续承压态势。
与主要竞争对手对比可见：强生（JNJ）下跌1.05%至155.17美元，辉瑞（PFE）下探2.92%收于24.61美元，艾伯维（ABBV）亦下跌1.84%报186.39美元。百健当日130万股交易量持续低迷，较50日平均成交量150万股短缺17.4万股。
市场分析指出，百健股价已连续三日收于关键移动均线下方，技术指标显示短期下行趋势或将延续。投资者正密切关注该公司即将发布的中期财报能否扭转当前颓势。
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