--- title: "U.S. stock night market fluctuations: Cerebras rose 3.15% in the night market, can the inclusion in the S&P and the AI chip boom withstand short-selling pressure?" type: "News" locale: "en" url: "https://longbridge.com/en/news/286832406.md" description: "Cerebras rose 3.15% in the after-hours market; Micron Technology rose 1.46%, with a trading volume of USD 29.35 million; NVIDIA rose 0.37%, with a trading volume of USD 8.41 million; Intel rose 0.50%, with a trading volume of USD 3.96 million" datetime: "2026-05-19T00:32:02.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286832406.md) - [en](https://longbridge.com/en/news/286832406.md) - [zh-HK](https://longbridge.com/zh-HK/news/286832406.md) --- # U.S. stock night market fluctuations: Cerebras rose 3.15% in the night market, can the inclusion in the S&P and the AI chip boom withstand short-selling pressure? **U.S. Stock Night Market Movements** Cerebras rose 3.15% in the night market. Based on recent key news: 1. On May 19, Cerebras was quickly included in the S&P Dow Jones Index, and its stock price rose by 6%. This event increased market attention towards it, driving the stock price further up. Source: Zhitong Finance 2. On May 18, Cerebras doubled its stock price on its first day of listing, with a market value exceeding $100 billion, reflecting the market's high expectations for its AI chips. Source: Wall Street Insights 3. On May 18, a well-known trader shorted Cerebras on the Hyperliquid platform, achieving significant profits, reflecting the market's cautious attitude towards its valuation. Source: Jinshi Data. The competition in the AI chip market is intensifying, and valuation risks need to be monitored. **Stocks with High Trading Volume in the Industry** Micron Technology rose 1.46% in the night market. Based on recent key news: 1. On May 17, Micron Technology announced it would invest $150 billion to expand production facilities to meet the surge in AI demand. This move boosted the stock price, showing market confidence in its long-term growth. Source: Wall Street Journal 2. On May 16, analysts raised Micron Technology's target price to $1000, as the shortage of AI-driven memory chips increased its revenue and profits. This news boosted investor sentiment, leading to a rise in stock price. Source: Deutsche Bank 3. On May 15, Micron Technology's stock price fell by 6.62% due to the failure of Nvidia's H200 chip sales after the summit between Trump and Xi Jinping. This news raised concerns about Micron's short-term outlook in the market. Source: NS3. The semiconductor industry is driven by AI demand, showing strong overall performance. Nvidia rose 0.37% in the night market. Based on recent key news: 1. On May 18, Morgan Stanley raised Nvidia's target price to $285, expecting that demand for AI data centers will drive performance growth. Morgan Stanley believes that Nvidia's performance growth will accelerate, and the target price increase reflects optimistic expectations for AI demand. 2. On May 19, Dell Technologies announced that its AI product line added 1,000 new customers, indicating strong demand for Nvidia chips. Dell's AI servers are equipped with Nvidia chips, and the increase in customer numbers shows that market demand for AI solutions is rising. 3. On May 16, Nvidia increased its shares in CoreWeave to 47.2 million, supporting its AI infrastructure strategy. Nvidia's investment aims to support large data centers that may purchase its GPUs, further consolidating its leadership position in the AI field. Strong AI demand and high market concentration. Intel rose 0.50% in the night market. Based on recent key news: 1. On May 18, Citigroup raised Intel's target stock price from $95 to $130, reflecting optimistic market expectations for its data center business. This move boosted the stock price, showing investor confidence in Intel's future growth Source: Golden Finance On May 18, Benchmark raised Intel's target price from $105 to $140, further boosting market confidence in Intel. Analysts believe that Intel's layout in the AI field will bring long-term benefits. Source: Finance Channel On May 18, Trump stated in an interview with Fortune magazine that the U.S. government's decision to hold shares in Intel had a positive impact on the stock price. Since then, Intel's stock price has increased by more than 300%. 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