8月18日周一夜盘，知乎（ZH）股价大涨5.92%，延续了白天的强劲涨势，引发市场广泛关注。
本轮涨势主要受AI概念股走强推动。港股市场上，知乎与汇量科技均大涨14%，微盟集团涨超4%，粉笔、心动公司涨超2%，阿里巴巴、腾讯控股涨超0.5%。美股市场上，知乎、爱奇艺等中概股表现更为亮眼，均录得17%左右的涨幅。
值得注意的是，这一涨势发生在美股三大指数震荡收平的背景下。当日道指微跌0.08%，标普500指数近乎持平，纳指小幅收涨0.03%。市场情绪在零售财报季前趋于谨慎，投资者目光正转向即将召开的杰克逊霍尔全球央行年会以及美国大选前的地缘政治动态。在此背景下，AI概念股的强劲表现更显突出，反映了投资者对该领域持续看好的态度。
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