2026年全球各类核心资产如何演绎？

Group 1: Market Predictions - The S&P 500 index has increased by 17.41% year-to-date, closing at 6905.74 on December 29, 2025, with most institutions predicting further growth in 2026 [1][2] - The European Stoxx 600 index has also seen a year-to-date increase of 17.01%, with a median forecast suggesting a further rise to approximately 620 points by the end of 2026 [13][14] Group 2: Technology Sector Performance - The performance of the "Tech Seven" companies shows significant divergence, with Google leading at a 66.29% increase, followed by Nvidia at 40.20%, while Amazon only increased by 5.78% [3] - OpenAI plans to invest $1.4 trillion over the coming years but is expected to incur cumulative losses of $115 billion by 2029, raising concerns about its high valuation [4] Group 3: Economic Outlook and Currency Predictions - Morgan Stanley predicts a potential 5% decline in the US dollar in the first half of 2026, while Deutsche Bank suggests the dollar is currently overvalued by 10%-15% [7][8] - Citigroup and Société Générale foresee a rebound in the dollar in the latter half of 2026, driven by the resilience of the US economy and AI investments [9][10] Group 4: Emerging Markets Insights - UBS forecasts an 8% return for the MSCI Emerging Markets index in 2026, with a focus on Chinese companies in the AI sector due to their unique consumer-facing positions [17] - JPMorgan anticipates that emerging markets will outperform developed markets for the second consecutive year, with the MSCI China index having nearly 20% upside potential [18]