9月8日，Arista Networks盘中上涨3.03%，报199.75美元/股，成交额2.58亿美元。
消息面上，标普道琼斯指数公司此前宣布将Arista Networks纳入标普100指数，调整将于9月21日正式生效。随着生效日临近，跟踪标普100的指数基金和ETF需按新成分股进行调仓，被动资金的买入预期对股价形成支撑。此次调整中，耐克、高露洁等传统消费及工业企业被剔除，新纳入的四家公司均来自科技领域，标普100行业结构进一步向AI基础设施及数据中心网络等高增长方向集中。
此外，公司此前发布的二季度财报大幅超预期，营收同比增长37.7%至30.4亿美元，调整后EPS为1.02美元，三季度指引亦显著高于市场预期，多家投行随后上调目标价至220-250美元区间，基本面持续向好为股价提供底部支撑。
（以上内容均基于市场公开消息，由程序或算法智能生成，仅作为股价异动提醒，不作为投资建议或交易依据。）
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