阿尔尼拉姆制药（Alnylam Pharmaceuticals）股价今日盘中大涨5.08%，表现抢眼。截至发稿，该公司股价报收于xx美元。
消息面上，投资银行奥本海默（Oppenheimer）上调了对阿尔尼拉姆制药的投资评级。奥本海默将该公司的评级从"跑赢大盘"上调至更高的"跑赢大盘"水平，显示出对公司未来发展前景的看好。
分析人士认为，奥本海默的评级上调反映了市场对阿尔尼拉姆制药业务发展的积极预期。该公司在RNA干扰（RNAi）疗法领域处于领先地位，其创新药物管线有望为未来业绩增长提供动力。投资者对此反应积极，推动股价出现明显上涨。
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