美股策略周报：纳指盈利大幅上修，圣诞行情可期-20251215

Group 1 - The report highlights a significant upward revision in earnings for the Nasdaq, indicating a potential for a favorable Christmas market [3][6] - The S&P 500 index experienced a weekly decline of 0.6%, while year-to-date it has risen by 16.1%. The Nasdaq index fell by 1.9% for the week but is up 19.9% year-to-date [27][30] - The report notes that the technology sector remains a key focus, with strong performance expected from AI-related companies as OpenAI introduces advanced models [3][6] Group 2 - The report indicates that the financial sector, particularly non-bank financials, has shown strong capital inflows, with an estimated daily capital intensity of approximately $9.3 billion [38] - The semiconductor industry faced challenges, with a negative daily capital intensity of about -$71 billion, indicating a lack of investor confidence [38] - The report emphasizes that traditional industries such as steel, non-ferrous metals, and building materials have outperformed, with respective weekly gains of 4.1%, 3.8%, and 3.6% [30][34] Group 3 - The report discusses the performance of key stocks within the S&P 500, noting that companies like Mosaic and Molina Healthcare led the gains with weekly increases of 11% [34] - The report also highlights the performance of core S&P 500 stocks, with Visa and Mastercard showing strong weekly gains of 5.0% and 4.8% respectively [36] - The report mentions that the AI sector continues to grow, with expectations for significant advancements and market expansion [3][6]