U.S. stock night market volatility: Credo Tech fell 4.47% in after-hours trading, with high valuations and cautious analyst ratings causing market fluctuations

U.S. Stock Night Market Movements Credo Tech fell 4.47% in the night market. Based on recent key news: On May 14, Credo Tech's valuation was considered too high, with a price-to-earnings ratio reaching 108 times, despite its growth rate exceeding 200%. The market priced it lower than industry peers, leading to stock price fluctuations. Source: Financial Associated Press On May 14, analysts pointed out that Credo Tech has significant future growth potential, especially under the demand brought by AI, and its leading position in the optical chip industry benefits it greatly. Investors' optimistic expectations for its future prospects drove stock price fluctuations. Source: Financial Associated Press On May 12, MarketBeat did not include Credo Tech in its recommended buy list, although its rating was moderate buy, as other stocks were considered more attractive. Source: MarketBeat The semiconductor sector has been hot recently, caution is advised. Stocks with High Trading Volume in the Industry Micron Technology fell 4.11% in the night market. Based on recent key news: On May 12, Micron Technology announced the launch of a new 256GB DDR5 server module, using advanced 1-gamma process technology, with a speed increase of 40%, attracting market attention to AI memory demand, driving stock price fluctuations. On May 13, Samsung Electronics' labor dispute failed to reach an agreement, increasing the risk of strikes, which may affect memory chip supply, leading to rising market demand expectations for Micron, benefiting its stock price. On May 14, Micron's market value surpassed $900 billion, becoming the 12th largest company by market capitalization, with AI-driven memory demand expansion as the core logic, and the market holds an optimistic view of its future growth. AI demand is driving growth in the memory market, but risks need to be monitored. NVIDIA fell 1.96% in the night market. Based on recent news: On May 15, Seeking Alpha analysts pointed out that despite facing high expectation thresholds, NVIDIA's core business drivers remain solid, and the data center business is expected to continue benefiting from the strong release of Blackwell series chips. Citigroup predicts Q1 revenue will reach $80 billion, about $1.4 billion higher than market consensus. On May 13, Citigroup released a forward-looking report, predicting NVIDIA's revenue for the current quarter will reach about $73 billion, exceeding the market's general expectation of about $71.8 billion by approximately $1.4 billion. Analysts noted that the supply-demand imbalance for NVIDIA's Blackwell and Rubin AI chips remains highly favorable. On May 12, according to Dow Jones market data, NVIDIA's stock price rose 14% over the past four trading days, with a market value increase of $591 billion, as investors recognized the strong capital expenditure commitments from major cloud service providers recently. The demand for AI chips is strong, and market expectations are high Intel's after-hours trading fell 6.44%. Based on recent key news: On May 12, Intel's stock price soared 214% in six weeks, with a market capitalization increase of over $440 billion, despite short sellers losing $12 billion. Doubts about its future pullback remain, with the short interest ratio nearing a 52-week high, indicating investors' confidence in its fundamental improvement. [Source: Zhitong Finance] On May 12, Intel's sales forecast significantly exceeded Wall Street expectations, further boosting market confidence. However, the improvement in fundamentals did not alleviate valuation pressure, as Intel is currently one of the ten most highly valued stocks in the S&P 500 index. [Source: Zhitong Finance] On May 12, Wall Street analysts continued to raise Intel's earnings estimates, with Deutsche Bank raising its target price from $63 to $100, reflecting the market's optimistic expectations for its future performance. [Source: Zhitong Finance] The semiconductor sector is showing overall weak performance and requires attention