周三（11月5日）盘前，生物制药公司PTC Therapeutics（纳斯达克股票代码：PTCT）股价大涨5.58%，投资者对该公司前景的乐观情绪明显升温。
推动股价上涨的主要因素是多家知名券商纷纷上调了PTC Therapeutics的目标价。杰富瑞证券将其目标价从77美元大幅上调至86美元；加拿大皇家银行也跟进上调，将目标价从70美元提高至82美元；TD Cowen更是将目标价从50美元大幅上调至63美元，显示出分析师对公司未来发展前景的信心增强。
这些目标价的上调可能反映了分析师对PTC Therapeutics在罕见病治疗领域的研发进展和市场潜力的看好。虽然具体上调原因尚未公开，但投资者显然对这些积极的分析师评级做出了正面反应。随着市场开盘，投资者将密切关注PTC Therapeutics股价的后续表现，以及公司是否会发布任何重要公告来支撑这波涨势。
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