Summary of Pre Market News in the US Stock Exchange: Michael Burry, a 'Big Short', Increases Short Selling on Micron and Nvidia, Samsung Electronics Executives Spend KRW 700 Million to Increase Holdings in Company Stocks According to BlockBeats, on July 31st, a list of important news in the pre-market of the US stock market is as follows: 1. Michael Burry, the prototype of the "big bear", has further increased his short position in Micron Technology (MU), with an average opening price of about $880; At the same time, continue to increase short exposure to Nvidia (NVDA) and increase short selling of semiconductor ETF SOXX, with an average price of approximately $506. 2. According to The Wall Street Journal, Tesla consultants have begun discussing a spin off plan to divest their China business. This arrangement aims to pave the way for a potential SpaceX merger. Tesla China responded to the reporter's call that this is "false news". 3. Situational Awareness, a hedge fund founded by AI stock guru Leopold Aschenbrenner, suffered significant losses in July due to the sharp decline in AI stocks, with a net worth drop of approximately 67% during the month. With the significant withdrawal of related positions, the fund was forced to sell most of its stock positions to raise cash and meet the additional margin requirements of lending institutions. A considerable portion of the holdings were taken over by Citadel, a subsidiary of Ken Griffin. 4. Amazon's cloud computing sales in the second quarter increased by 37% year-on-year to $42.2 billion, exceeding expectations, and the stock price rose more than 10% before trading. The company expects to have a capital expenditure of $200 billion this year, mainly for AI and data centers. 5. Apple releases its third quarter financial report. The company's revenue exceeded expectations by $109.4 billion, a year-on-year increase of approximately 16%. IPhone and Mac sales were strong, but the fourth quarter revenue guidance was lower than expected due to memory shortages, and China and service revenue fell short of expectations, causing the stock price to drop more than 8% before trading. 6. Strategy released its second quarter financial report, recording a loss of $8.2 billion compared to a profit of $10 billion in the same period last year. The losses mainly come from unrealized book losses of Bitcoin holdings. The management team of Strategy has made it a top priority to push the price of STRC preferred shares back to face value. 7. Kaixia's net profit for the first quarter was 842.17 billion yen, compared to 18.28 billion yen in the same period last year, with a market estimate of 973.81 billion yen. Net profit fell short of market expectations, and Kaixia ADR fell nearly 6% before trading. 8. Shanghai Aishengna has been confirmed as the manufacturer of China's first domestically produced immersion DUV chip manufacturing tool, with plans to produce approximately 5 units in 2026 and 20 units in 2027, and deliver them to SMIC, Huahong, Changxin, and others. 9. Amidst the recent significant fluctuations in Samsung Electronics' stock price, Roh Tae man, the President and Co CEO of Samsung Electronics' DX division, has invested approximately KRW 700 million to increase his holdings in the company's stock. 10. Doosan, the holding company of South Korea's Doosan Group, disclosed on the 31st that it has signed a share purchase agreement with SK Group to acquire 70.6% of SK Siltron's equity held by SK, with a transaction amount of 2.3 trillion Korean won.