U.S. stock night market fluctuations: Sandisk fell 3.07%, can the advantages of joint venture structure and AI investment mask cyclical risks?

U.S. Stock Night Market Movements Sandisk fell 3.07% in the night market. Based on recent key news: On December 10, analysts believe that the joint venture structure between SanDisk and Kioxia provides a competitive advantage during the downturn in the NAND industry, but also limits SanDisk's independent decision-making ability. JP Morgan pointed out that the NAND industry has significant cyclical characteristics, and the current supply tightness and high prices are merely an extended peak of this cycle, not a structural reversal. Source: JP Morgan On December 11, Morgan Stanley expects tech giants to invest $400 billion in AI infrastructure, driving up memory chip prices. Analysts noted that RAM and flash memory prices have surged, leading the global memory chip industry into a "super cycle." Source: Morgan Stanley On December 11, BNP Paribas analysts are optimistic that AI will drive the memory industry into a "historic upcycle," expecting DRAM and NAND prices to continue rising. Source: BNP Paribas The memory industry is entering a historic upcycle, and risks need to be approached with caution. Stocks with High Trading Volume in the Industry Apple rose 0.18% in the night market. Based on recent key news: On December 9, Berkshire Hathaway reduced its stake in Apple by 15% while increasing its position in AI concept stock Alphabet. This move has prompted the market to reassess Apple's valuation, leading to stock price fluctuations. Source: Zhitong Finance On December 10, Apple failed to successfully challenge a judge's order in its legal dispute with Epic Games but gained a new opportunity for defense. This event has increased market attention to Apple's legal risks, affecting its stock price. Source: Jinshi Data On December 10, Citigroup raised its target price for Apple to $330, maintaining a buy rating. Analysts' optimistic expectations for Apple's future boosted market confidence, driving the stock price up. Source: Citigroup Report AI technology maturity drives demand growth for Apple devices. IonQ fell 0.06% in the night market. Based on recent key news: On December 11, IonQ collaborated with Einride AB to demonstrate the practical application of quantum computing in freight data, leading to a slight increase in stock price. The collaboration tested 15 use cases, showing seamless integration of quantum computing with traditional software, marking the first practical application of quantum technology in commercial freight data. On December 11, the chairman and directors of IonQ submitted applications to sell restricted securities, which may raise market concerns about insider stock sales. The chairman submitted an application to sell 17,690 shares, while a director submitted an application to sell 20,000 shares. On December 10, IonQ's lock-up agreement ended, which may lead to increased market expectations for stock liquidity. The lock-up agreement involved certain restricted stock units and warrants of the company, with an end date of December 10. The quantum computing industry has enormous potential, and market attention is high Western Digital fell 0.40% in after-hours trading. Based on recent key news: On December 9th, Western Digital executives sold shares, leading to market doubts about internal confidence in the company. Kimberly Alexy and Vidyadhara K. Gubbi reported the sale of common stock, which may raise investor concerns about the company's future performance, putting pressure on the stock price. On December 9th, expectations of increased AI storage demand drove up storage prices. According to demand estimates, the rapid growth in storage demand due to AI large model inference has led to a short-term supply shortage, and storage prices are expected to continue rising. Western Digital, as a major player in the HDD sector, stands to benefit from this trend. On December 9th, the expansion plans of Jiangbolong and Demingli attracted market attention. The two companies plan to raise funds through a private placement to expand AI storage, and the market holds an optimistic view on the future development of the storage industry, driving up the stock prices of related companies. The storage industry is experiencing demand growth, with risks of price fluctuations