Maitong traded before and after the opening Trading hours are from 4pm to 8am the next morning A total of 16 hours of trading time Talk about the investment logic of the seven sisters in American stocks From the perspective of rigorous investment analysis, the following gives an accurate evaluation of the core dimensions of the "Seven sisters of American Stocks", which is more academic and data oriented: one ️⃣ Apple (AAPL) Investment logic: Apple has gradually shifted from hardware driven to service revenue driven profit growth, focusing on whether the service business can sustain high growth and changes in profit structure Core indicators: a. Quarterly revenue growth rate of service business compared to the same period last year (>15% is positive) b. Overall gross profit margin level (>40% is excellent) c. Changes in the proportion of revenue in the Chinese market (measuring the degree of international risk exposure) two ️⃣ Microsoft (MSFT) Investment logic: The cloud computing (Azure) business is the core engine for profit growth, and the implementation of AI business will affect the medium and long-term valuation, while traditional business will be supported by valuation Core indicators: a. Azure quarterly revenue growth rate (>25% strong,<20% weak performance) b. Comprehensive gross profit margin of commercial cloud (>70% high-quality) c. The proportion of AI related revenue scale and its quarterly changes (such as Copilot, Azure AI services) three ️⃣ Alphabet (parent company of Google, GOOG） Investment logic: The advertising business is a cash cow, the profit improvement space of cloud business determines the potential for valuation expansion, and the progress of AI is the long-term strategic support Core indicators: a. Quarterly year-on-year growth rate of advertising revenue (>10% steady) b. Trend of operating profit margin for cloud business (turning losses into profits or continuously narrowing losses are positive) c. Commercialization level and revenue contribution of AI technology products (Gemini, Bard, etc.) four ️⃣ Amazon (AMZN) Investment logic: The profitability of AWS cloud services is the cornerstone of valuation, and the improvement of e-commerce business operating efficiency is the safety margin Core indicators: a. AWS quarterly revenue year-on-year growth rate (stable in the range of 15% -20%, strong>20%) b. AWS quarterly operating profit margin (>25% is excellent) c. Trend of Net Cash Flow from E-commerce Operations (Continuous Improvement as a Positive Signal) five ️⃣ Meta（META） Investment logic: The profitability of digital advertising dominates the fundamentals of stock prices, and the degree of application of AI technology in optimizing advertising efficiency is the main focus Core indicators: a. Quarterly year-on-year growth rate of advertising revenue (steady double-digit growth) b. Trend of Average Revenue Per User (ARPU) c. Quarterly changes in the impact of AI technology on advertising ROI (return on investment) d. Changes in Threads product user retention rate and DAU/MAU (daily active/monthly active) indicators six ️⃣ Nvidia (NVDA) Investment logic: AI chip demand drives company performance, GPU sales and data center business performance are key growth drivers, and gross profit margin determines profitability quality Core indicators: a. Quarterly revenue growth rate of data center business compared to the same period last year (>40% strong,<30% warning) b. Overall gross profit margin change (maintaining above 65% as positive) c. AI chip shipment volume and inventory backlog situation (warning in advance of the risk of slowing demand) seven ️⃣ Tesla (TSLA) Investment logic: The delivery volume and profit margin of electric vehicles are the core short-term performance indicators, and the long-term valuation is affected by the implementation process of autonomous driving technology Core indicators: a. Quarterly vehicle delivery quantity year-on-year growth rate (>20% steady,<10% weak) b. Gross profit margin level of automotive business (maintaining above 20% is better) c. The actual progress and regulatory approval status of autonomous driving (FSD) products, as well as the trend of changes in the proportion of R&D investment (as a long-term valuation driver) Trading US stocks using @ MyStonksCN I have a collaboration with Maitong Use this registration link to return up to 50% of the maximum transaction fee for the entire platform We will also adjust the handling fee refund rate to a maximum of 50% from the backend Permanent adjustment http://mystonks.org/?code=Hl6B41 finally Seven sisters Ha ha ha ha The floor slab can cause collapse